Explanation:
if the concentration of CO2 or O2 in the air surrounding a plant is significantly altered from normal atmospheric levels, it can have negative effects on the plant's growth and health.
If the concentration of CO2 is too high, it can cause a reduction in the stomatal conductance of plants, leading to a decrease in transpiration rates and water uptake, as well as changes in plant morphology and physiology. This can ultimately result in reduced growth and yield in some plant species.
On the other hand, if the concentration of O2 is too low, it can lead to reduced respiration rates and oxidative damage in plants, which can negatively impact plant growth and development.
Therefore, in terms of toxicity, it is not a matter of which gas is less toxic, but rather what the appropriate concentrations of these gases are for optimal plant growth and health. Generally, plants require a balanced concentration of CO2 and O2 in the air surrounding them for optimal growth and survival.
leave a comment, thanks
4) after experimenting with the effects of ph on enzymes, would you suspect that the human body maintains a constant blood ph? why or why not? what would be the adaptive advantage of this?
After experimenting with the effects of pH on enzymes, it can be suspected that the human body maintains a constant blood pH. This is because enzymes in the human body work best at a specific pH range, and any change in pH can denature the enzymes and hinder their functionality. Thus, the human body has an adaptive advantage by regulating the pH of blood.
The pH of blood in the human body is typically maintained at a slightly basic pH range of 7.35-7.45. This is accomplished through the regulation of hydrogen ion concentration in the blood, which is primarily managed by the lungs and kidneys. The lungs regulate carbon dioxide levels, which can affect blood pH, by controlling the amount of carbon dioxide exhaled. The kidneys excrete excess hydrogen ions in urine and reabsorb bicarbonate ions, which can help buffer blood pH.
Maintaining a constant blood pH is crucial for several reasons. Firstly, enzymes in the human body work best at a specific pH range. Any change in pH can denature the enzymes and hinder their functionality. Secondly, changes in blood pH can also affect the oxygen-carrying capacity of hemoglobin, which can lead to impaired gas exchange in the lungs. Finally, maintaining a constant blood pH is important for maintaining cellular function and preventing tissue damage.
In summary, the human body maintains a constant blood pH due to the need for enzymes to function optimally, the importance of gas exchange in the lungs, and the need to prevent tissue damage. This is accomplished through the regulation of hydrogen ion concentration in the blood, which is primarily managed by the lungs and kidneys.
Here you can learn more about pH of blood
https://brainly.com/question/14536764#
#SPJ11
4. evaluate if mendel had examined only one trait, do you think he would have developed the law of segregation? explain.
No, if Mendel had examined only one trait, he would not have been able to develop the law of segregation. The law of segregation states that an organism has two copies of each gene, and when it reproduces, those two copies are separated, so that each of its offspring receives one copy of each gene.
To understand this, Mendel had to study multiple traits, as each trait was governed by a different pair of genes. If he had only examined one trait, he would not have seen this pattern and would not have been able to develop the law of segregation.
Here you can learn more about law of segregation
https://brainly.com/question/13434823#
#SPJ11
Use the codon wheel To figure out which amino acids these codon code for.
Answer:
see below
Explanation:
AUG - methionineUCC - serine CAC - histidine ACA - threonine GUU - valine UGG - tryptophan CCC - prolineGGG - glycine_______________________________________
Related information:-
Features of genetic code:-
The code is degenerate as some of the amino acids are coded by more than one codon.The code is universal, like in every organism UCC will code for serine .AUG is the start codon, it acts as initiator .UAG , UGA , UAA do not code for any amino acids thus acts as stop codon .So , in total 61 codons code for amino acids and 3 act as stop codon.________________________________________
Name and explain 3 advantages/disadvantages of using hydrogen as a fuel source and how it compares to using fossil fuels and other alternative energies (specifically include environmental issues that can happen.
Answer:
Advantages of using hydrogen as a fuel source:
Renewable: Hydrogen is a renewable resource because it can be produced from sources such as water and biomass.
Clean: When hydrogen is burned or used in a fuel cell to produce electricity, the only byproduct is water vapor, making it a clean source of energy.
Versatile: Hydrogen can be used in a variety of ways, including as a fuel for vehicles, as a heating source, and as a means of storing energy.
Disadvantages of using hydrogen as a fuel source:
Cost: Producing and storing hydrogen can be expensive due to the current technology and infrastructure needed.
Safety: Hydrogen is highly flammable and can be dangerous if not handled properly.
Production methods: Currently, the most common method for producing hydrogen is through steam methane reforming, which generates carbon emissions and is not a completely clean process.
Comparison with fossil fuels and other alternative energies:
Compared to fossil fuels, hydrogen is a cleaner and more sustainable energy source. It produces no greenhouse gas emissions and has the potential to reduce reliance on fossil fuels. However, the production and storage of hydrogen are still relatively expensive and not widely available.
Compared to other alternative energies such as wind and solar power, hydrogen has the advantage of being storable and transportable, making it a more reliable source of energy. However, the production and infrastructure required for hydrogen production is still in development and requires further investment to become more widely available.
Write a paragraph using one of the text types.
CLASSIFICATION TEXT
EXPLANATION TEXT
ENUMERATION TEXT
TIME-ORDER TEXT
I NEED IT ASAP
NONSENSE ANSWER REPORT
We can see here that writing a paragraph using classification text type, we have:
Food processing can be classified into various categories based on the different methods used to transform raw ingredients into consumable food products. One category is thermal processing, which involves the use of heat to sterilize and preserve food, such as canning or pasteurization. Another category is mechanical processing, which involves physically altering the texture or shape of food, such as grinding or milling. Finally, biological processing involves the use of living organisms to produce or alter food products, such as fermentation or culturing. By understanding the different categories of food processing, we can better appreciate the vast array of food products available to us and the complex processes involved in bringing them to our tables.
What is a paragraph?A paragraph is a self-contained unit of writing that consists of one or more sentences that relate to a single topic or idea.
Typically, a paragraph begins with a topic sentence that introduces the main idea or argument of the paragraph, and is followed by supporting sentences that provide evidence, examples, or explanation to develop and reinforce the topic sentence.
Learn more about paragraph on https://brainly.com/question/27073860
#SPJ1
which statement best describes an ecological benefit of marshes? they deplete groundwater resources. they provide low ecological productivity. they destroy natural flood preventions and erosion control. they filter and clean water before it enters the ocean.
The best statement that describes an ecological benefit of marshes is d. they filter and clean water before it enters the ocean.
Marshes help to filter out pollutants, provide habitat for wildlife, and act as a natural flood prevention and erosion control. They also reduce the amount of groundwater resources used, helping to preserve the environment
Marshes provide an important service to the environment by acting as a natural filter and cleaner of water before it enters the ocean. They filter out pollutants and other contaminants, provide habitat for wildlife, and reduce the amount of groundwater resources used. They also act as natural flood prevention and erosion control, helping to maintain healthy and sustainable ecosystems.
Learn more about marshes at:
https://brainly.com/question/12861990
#SPJ11
the scientific name for an organism is made from the
The scientific name for an organism is made from the names like, generic or generic epithet and a specific name (specific epithet).
A name is made up of the common name and the unique epithet. The generic name is the name of the genus to which the species belongs, but the specific epithet refers to the species within that genus. Similar to how sapiens is the particular epithet and Homo is the species in the word "Homo sapiens."
An organism, whether it contains one cell or many, is made up by cells, the fundamental unit of life. As was already explained, the cell is the basic unit of all living things. The binomial name of the species can be condensed by utilizing the initial letter of the generic name, a dot, and the specific epithet.
Learn more about organism Visit: brainly.com/question/18595765
#SPJ4
A scientist is studying fossils in layers of rock and observes that whole groups of fossils disappear from the fossil record above a
certain age.
Which conclusion is most likely true based on this observation?
O A mass extinction occurred that wiped out many ancient species.
O The species all migrated to different parts of the world.
O Older species developed new forms to become new species
O Death rates for these species declined due to favorable environments.
by
These can help us understand the origins of life and humanity, the evolution of the planet and its environment across time, and the once-connected nature of the continents that are now widely separated.
What occurs as fossils age further within the Earth's layers?The most recent layers to be formed are those at the top, closest to the Earth's surface. Lower layers are older. In locations where sedimentary rocks are present, it is fairly simple to trace Earth's geologic history because these rocks build on top of one another.
Which of the following fossil kinds is most frequently discovered?ammonites, Typically, the hard components remain while the soft parts rot away or degrade.
To know more about environment visit:-
brainly.com/question/7464705
#SPJ1
when parents adopt nongenetic offspring, or they divorce, or remarry other partners, then so-called is the result.
When parents adopt non-genetic offspring, divorce, or remarry other partners, so-called blended families are the result.
A blended family is a family unit created when parents marry or live together after having children with other people. Blended families occur when parents have a nongenetic offspring or when they divorce or remarry other partners. Blended families are formed as a result of various changes in life, such as adoption or the remarriage of a single parent.
Families need time and patience to adapt to new situations, and sometimes the process is complicated. Blended families necessitate careful communication and an understanding of how to handle disagreements. Parents must work together to establish new family norms, develop strong relationships with each other, and work together to provide a supportive environment for their children.
Non-genetic offspring: An offspring who is not biologically related to one or both of their parents is known as a "non-genetic offspring. It can occur in situations where a child is adopted, conceived via surrogacy or donor egg or sperm, or born via in vitro fertilization.
Learn more about blended families:
https://brainly.com/question/10706108
#SPJ11
How is their relationship part of a pattern that is shared among animals in many ecosystems? Construct an explanation that includes specific examples.
all plants alternate between two generations in their life cycle, this generation is represented by the diploid structures of the plants?
The two generations of a plant's life cycle are represented by diploid structures.
Diploid structures contain two sets of chromosomes, one inherited from each parent, and the two sets of chromosomes are the same in structure and size.
The two generations of a plant's life cycle are referred to as haploid and diploid. During haploid stages, cells only contain a single set of chromosomes, while in diploid stages, cells contain two sets of chromosomes. Haploid stages involve the formation of spores, while diploid stages involve sexual reproduction and the formation of gametes.
During the haploid stages, plants go through meiosis, a process which involves the division of a single set of chromosomes into two haploid daughter cells. The cells that form during meiosis have half the genetic material of the original cell, thus creating haploid gametes.
During the diploid stages, plants go through fertilization, where the haploid gametes fuse and form a diploid zygote. This diploid zygote has the same amount of genetic material as the original cell and is the start of a new plant. Therefore, plants alternate between two generations in their life cycle, and this generation is represented by the diploid structures of the plants.
To know more about Insulators diploid on below link:
https://brainly.com/question/24301939#
#SPJ11
HELP WILL GIVE BRAINLIEST !! 30 points!!
How does your brain control the process of breathing?
A: Your brain compares the shape and size of blood cells and sends electrical signals to the lungs, telling them when to expand and contract.
B:Your brain compares oxygen and carbon dioxide levels in the blood and sends electrical signals to the diaphragm, telling it when to contract and relax.
C: Your brain compares the number of alveoli to bronchi in the lungs and sends electrical signals to the trachea, telling it when to open and close.
D:Your brain compares air temperature and humidity when you inhale and sends electrical signals to the sinuses, telling them when to take in more air.
Answer:I believe that it is b
Explanation:
analyses of certain single nucleotide polymorphisms (snps) has revealed which of the following about human races?
Analyses of certain single nucleotide polymorphisms (SNPs) have revealed that there is no scientific basis for dividing people into distinct human races.
What are single nucleotide polymorphisms (SNPs)? A single nucleotide polymorphism (SNP) is a variation in a single nucleotide in the DNA sequence that happens in the same spot on the genome in at least 1% of the population.
Single nucleotide polymorphisms (SNPs) have been used in research to investigate genetic differences between people for several reasons.
They can be used to trace ancestry, identify individuals who are genetically related, and create complex genetic profiles to identify an individual.Through analyzing single nucleotide polymorphisms (SNPs), studies have revealed that race is not a biologically distinct concept, and that there are more genetic variations within racial categories than between them. There are more genetic differences between individuals of the same "race" than there are between individuals of different "races." The categories of race are social and cultural constructs rather than genetic distinctions.Learn more about SNPs and human race at https://brainly.com/question/31275534
#SPJ11
what compound helps to transport fatty acids from the cytosol of the cell to the mitochondria for energy production?
The compound that helps to transport fatty acids from the cytosol of the cell to the mitochondria for energy production is carnitine.
The process of transporting fatty acids across the mitochondrial membrane is called beta-oxidation.
Beta-oxidation is the breakdown of fatty acids in the mitochondria to release energy. Fatty acids are oxidized to produce ATP during beta-oxidation. ATP is used as the primary source of energy for the cells of our body.
The major fatty acid transporter into mitochondria is carnitine. This process is essential for the utilization of fatty acids in the cell.
Fatty acids can't cross the inner mitochondrial membrane on their own. They require the help of carnitine to do so.
Carnitine helps transport fatty acids by forming a complex with them. The complex of carnitine and fatty acid is called acylcarnitine.
Acylcarnitine is then transported into the mitochondrial matrix. In the mitochondrial matrix, the fatty acid undergoes beta-oxidation. As a result of beta-oxidation, ATP is produced as a source of energy for the cells.
To know more about carnitine, refer here:
https://brainly.com/question/29763868#
#SPJ11
what is the location labeled 3 called? what specific molecules are found in this location in photosystem ii? photosystem i?
The location labeled 3 is called the lumen. Protons and oxygen molecules are found in this location in Photosystem II. In Photosystem I, electrons and protons are found.
The lumen is a space within the thylakoid membrane that is present in the chloroplast. In the thylakoid, photosynthetic electron transport occurs. It is the site of ATP production through photophosphorylation as well as the site of water oxidation in Photosystem II in the electron transport chain. The location labeled 3 is also referred to as the primary electron acceptor.
The specific molecules found in this location in Photosystem II are protons and oxygen molecules. In Photosystem I, the electrons and protons are found. The Lumen is the location where ATP is generated in both Photosystems 1 and 2, and it is the site where O2 is released from water in the thylakoid membrane.
Here you can learn more about Photosystem II
https://brainly.com/question/14427520#
#SPJ11
Which birds have the longest migration trips?
A. Brent Geese
B. Great Snipe
C. Arctic Tern
D. Adélie Pengui
Arctic Tern has the longest migration trips of any bird. The Arctic Tern is known for its remarkable annual migration, which takes it from its breeding grounds in the Arctic regions to its non-breeding areas in the Antarctic and back again. So the correct option is C .
This round-trip migration covers a distance of approximately 44,000 miles (70,900 kilometers), making it the longest migration of any bird. The Arctic Tern spends most of its life in flight and can travel up to 56 miles (90 kilometers) per hour. Its migration is driven by the availability of food, with the birds following a route that takes them over areas of abundant prey.
Learn more about longest migration
https://brainly.com/question/28231062
#SPJ4
think about where proteins are made in the cell. where are almost all amino acids in the cell? g
During translation, the mRNA, which is produced by transcription, is used as a template for the production of a particular protein. Amino acids, the building blocks of proteins, are also found in the cytoplasm of the cell.
Translation occurs in the ribosomes, which are made up of ribosomal RNA and a variety of proteins. Most amino acids are created in the cytoplasm from the breakdown of other molecules, such as glucose or fatty acids.
Amino acids are also taken up from the extracellular environment. After they are taken up, they are modified, assembled, and/or stored as necessary. The proteins produced by the ribosomes are then exported out of the cell or incorporated into other cellular structures.
Know more about Proteins here:
https://brainly.com/question/29776206
#SPJ11
Does the phrase “Survival of the fittest” refer to an individual (single organism) or a species (group of same organisms)? Why?
Answer: In 1869 of On the Origin of Species by British naturalist Charles Darwin, which suggested that organisms best adjusted to their environment are the most successful in surviving and reproducing
I Hope this answers your questions :)
ta bob placed samples of gram-negative and gram-positive bacterial colonies on a slide. after the staining procedure, all the bacteria on the slide were violet under the microscope. what was ta bob's most likely mistake?
Under the microscope, all of the bacteria on the slide were violet after the staining process. What was probably TA Bob's mistake Following the decolorization step, he neglected to add safranin.
The sample is stained red with a counterstain, such as the weakly water-soluble safranin. Safranin does not alter the purple hue of Gram-positive cells because it is lighter than crystal violet. Decolorized Gram-negative cells, on the other hand, are stained red.
If the bacteria had a purple color, it's likely that you have a Gram-positive infection. In the event that the microorganisms were hued pink or red, it implies you probably have Gram-negative contamination.
Using the Gram stain, Gram-positive organisms typically appear purple. However, they would absorb the counterstain (safranin) and appear pink if crystal violet was not used.
To learn more about microscopes here
https://brainly.com/question/18661784
#SPJ4
you decide to join a lab working on osteocalcin because it works on this hormone. you know from this and the next lecture many of its functions, target organs and receptors. can you present in one page what is/are the question(s) you would want to address and how would you tackle it/them?
My approach to investigating the functions of osteocalcin would involve a combination of molecular and cellular techniques, animal models, and clinical studies, with the ultimate goal of advancing our understanding of this hormone and its potential applications in medicine.
As a researcher joining a lab working on osteocalcin, there are several questions that I would want to address in order to further our understanding of this hormone and its role in the body.
Firstly, I would want to investigate the molecular mechanisms by which osteocalcin interacts with its target organs and receptors. This could involve studying the 3D structure of osteocalcin and its binding sites, as well as using techniques such as gene expression analysis and protein-protein interaction assays to better understand how osteocalcin influences cellular signaling pathways.
Secondly, I would be interested in exploring the functional roles of osteocalcin in various physiological processes, including bone formation, glucose metabolism, and energy homeostasis. This could involve using animal models and cell culture systems to study the effects of osteocalcin on different tissues and organs, as well as conducting clinical studies to investigate the potential therapeutic applications of osteocalcin in the treatment of metabolic disorders such as diabetes.
To learn more about osteocalcin
https://brainly.com/question/30888784
#SPJ4
In the same mouse species, a third unlinked gene (gene C/c) also has an epistatic effect on fur color. The presence of the dominant allele C (for color), allows the A/a and B/b genes to be expressed normally. The presence of two recessive alleles (cc), on the other hand, prevents any pigment from being formed, resulting in an albino (white) mouse.Matchthe phenotypes on the labels at left to the genotypes listed below. Labels can be used once, more than once, or not at all.agoutisolid colorsolid coloragouti blackalbinoAaBbccAaBBCCAabbccAAbbCcaaBbCcAABBcc
The phenotype "agouti" would be matched with the genotype AaBb, "solid color" with the genotype AaBB or Aabb, "black" with the genotype AABB or AABb, and "albino" with the genotype cc. This is because the presence of the gene C/c (epistasis) determines the fur color of the mouse, and the genotypes above show the different combinations of alleles. If two recessive alleles (cc) are present, it will result in an albino (white) mouse.
Explanation:
Physical characteristics like the fur color of a mouse are determined by the combination of genes in the organism's DNA. Epistasis is a phenomenon in which the expression of one gene affects the expression of another gene. When an organism reproduces, genes are inherited by offspring from their parents. In the context of this problem, the genes involved in determining fur color are A/a, B/b, and C/c. C is the gene that has an epistatic effect on fur color.
Here, are the matched genotypes with phenotypes: AaBbcc - agouti solid colorAaBBCC - solid colorAgouti black - AAbbCc, AaBbCcAlbino - aabbcc, aabbCc, aabbCC, aaBbcc, aaBbCc, aaBBcc.The label agouti solid color matches with the genotype AaBbcc. The solid color matches the genotype AaBBCC. The label agouti black matches with the genotypes AAbbCc and AaBbCc. The label albino matches with the genotypes aabbcc, aabbCc, aabbCC, aaBbcc, aaBbCc, and aaBBcc.
To know more about the Epistatic effect, visit:
https://brainly.com/question/30971240
#SPJ11
the mutualistic relationship between flowers and their pollinators developed through the process of .
The mutualistic relationship between flowers and their pollinators developed through the process of coevolution.
Coevolution is the process by which two or more species, each evolving in response to selection imposed by the other, reciprocally influence each other's adaptations over time. Coevolutionary interactions often result in specialized interactions between pairs of species.
Coevolution between species is best demonstrated by mutualistic relationships such as flowering plants and their pollinators. Flowers have evolved a variety of mechanisms to attract their pollinators, such as specific colorations, patterns, and fragrances.
Likewise, pollinators have evolved traits that allow them to more easily obtain nectar and pollen from flowers, such as longer proboscises, specialized mouthparts, or the ability to see ultraviolet light.
This coevolutionary relationship benefits both parties, ensuring that the plant is able to reproduce and the pollinator is able to obtain the resources they need.
Learn more about coevolution here:
brainly.com/question/1489642
#SPJ11
What is sustainability? How does Hawaii get most of its food? How does Hawaii fulfill its energy needs?
The term "sustainability" refers to the ability to meet present-day requirements without compromising the capacity of future generations to do the same.
How is the majority of Hawaii's electricity produced?Some of these are fossil fuels, including coal and oil. Imported fossil fuels, primarily oil and some coal, account for more than 80% of Hawaii's total energy use for electricity, ground, and air travel.
How is the majority of Hawaii's food produced?About 100 farms that are large enough to sell to grocery shops provide the majority of the locally grown food that Hawaiians eat. Comerford remarks, "That's not a terrific place to start from." Hawaii offers a year-round growing season and fertile ground.
To know more about fossil fuels visit:-
https://brainly.com/question/597329
#SPJ1
the addition of a phosphate to adenosine diphosphate generates adenosine triphosphate and energy. true fasle
The addition of a phosphate to adenosine diphosphate (ADP) generates adenosine triphosphate (ATP) and energy. So this statement is true.
The addition of a phosphate to ADP is a process known as phosphorylation, which occurs during cellular respiration. During this process, a molecule of ADP combines with a molecule of inorganic phosphate and a hydrogen ion (H+) to form ATP. This reaction releases energy which is used by the cell to perform various metabolic functions. In addition, the ATP molecule can be used for energy storage and transfer of energy to other parts of the cell. ADP and ATP are nucleotide molecules that can be found in all living organisms.
Learn more about ATP: https://brainly.com/question/893601
#SPJ11
you are examining a sample of a newly discovered protist and see hairy flagella. you are looking at a
You are examining a sample of a newly discovered protist and see hairy flagella. You are looking at a: protist with hairy flagella.
Protists are unicellular eukaryotic organisms that are not classified as plants, animals, or fungi. Hairy flagella are flagella (long whip-like structures) that contain hairs or bristles. Hairy flagella are found on certain protists and give them greater mobility in the water.
They are usually longer than regular flagella and are used by the protists to move through the water and capture food. Protists are made up of a cell wall, a nucleus, and organelles. The cell wall is composed of either cellulose or chitin and provides structure and support for the cell.
The nucleus contains the genetic material of the protist and controls the activities of the cell. Organelles are specialized parts of the cell that are responsible for metabolic activities. Examples of organelles found in protists include mitochondria, chloroplasts, and golgi apparatus.
In order to survive, protists require food and oxygen. Many protists obtain food by ingesting other organisms or particles in the water. Some protists obtain food through photosynthesis, using the energy of sunlight to produce food. Additionally, protists can use flagella for movement and to capture food.
The protist that you are looking at has hairy flagella. Hairy flagella contain numerous hairs or bristles and provide greater mobility in the water. They are longer than regular flagella and are used by the protists to move through the water and capture food.
To know more about organisms refer here:
https://brainly.com/question/16296324#
#SPJ11
Individuals with the sickle-cell anemia trait are more likely to survive a malarial infection and have increased reproductive success
in malaria-prone areas. This is because individuals with sickle-cell anemia
A)
B)
C)
D)
inherit a genetic variation, causing them to alter a substance that makes
them more resistant to bacteria.
control a genetic variation, causing them to selectively express a gene that
makes them more resistant to a parasite.
a
develop a genetic variation, causing them to lose a gene that makes them
better able to avoid an infection caused by malaria.
inherit a genetic variation, causing them to manufacture a substance that
makes them better able to withstand the effects of malaria.
Individuals with the sickle-cell anemia trait are more likely to survive a malarial infection because inherit a genetic variation, causing them to alter a substance that makes them more resistant to bacteria.
Pathophysiology The RBCs in your body get infected when the malaria parasite enters. Due in part to the low oxygen levels in sickle-shaped RBCs, the environment is extremely unfriendly for the parasite to develop in. Infected RBCs may have more time to be destroyed by the immune system if parasite development is reduced.Sickle cell trait carriers are less resistant to mild occurrences of malaria but are more resistant to bouts that are severe. Contrary to the acquired immunity that both AA and AS persons develop with repeated exposure to the disease, carriers have protection against malaria through a distinct mechanism.The sickle cell trait, which is caused by having just one sickle cell gene, was long believed to not only be painless but also to have the added benefit of preventing patients from developing more severe versions.For more information on sickle cell anemia and malaria kindly visit to
https://brainly.com/question/30676720
#SPJ1
Complete question Individuals with the sickle-cell anemia trait are more likely to survive a malarial infection and have increased reproductive success
in malaria-prone areas. This is because individuals with sickle-cell anemia
A inherit a genetic variation, causing them to alter a substance that makes
them more resistant to bacteria.
B. control a genetic variation, causing them to selectively express a gene thatmakes them more resistant to a parasite.
C develoop a genetic variation, causing them to lose a gene that makes them
better able to avoid an infection caused by malaria.
D. inherit a genetic variation, causing them to manufacture a substance that
makes them better able to withstand the effects of malaria.
like the incisors, when viewing a canine from the proximal view, what shape is the crown outline?
The crown outline of a canine viewed from the proximal view is crescent-shaped.
The canine tooth is the largest of the four types of teeth located between the incisors and premolars. The crown of the canine tooth is crescent-shaped when viewed from the proximal view.Incisors are the front teeth in your mouth that are used to cut and bite food. They are located in the middle of the mouth and are used for biting and cutting. The front four teeth in the upper and lower jaw are known as incisors
There are eight incisors in an adult human mouth. The upper incisors are known as central incisors, while the lower ones are known as lateral incisors. The human incisors are flat and have a chisel-like edge that is sharp. They are positioned in the front of the mouth and are used for biting and cutting food.
Canines, also known as cuspids or eye teeth, are the pointy teeth located between the incisors and the premolars in the human mouth. There are two on the top and two on the bottom in the adult human mouth. They are thicker and stronger than the incisors, making them ideal for tearing meat from bones.
They have long roots, allowing them to fit tightly into the jawbone. The shape of the crown outline of the canine teeth, like the incisors, is triangular when viewed from the proximal view.
Learn more about teeth here:
brainly.com/question/23255832
#SPJ11
compare mitochondrial dna (mtdna) to nuclear dna. what is one difference between these two types of dna?
The most significant difference is that mtDNA is inherited maternally, while nuclear DNA is inherited from both parents.
Mitochondrial DNA (mtDNA) is a single-stranded circular molecule of DNA that is present in the cytoplasm of eukaryotic cells outside the nucleus. It is essential for the production of energy in the cell. Nuclear DNA, on the other hand, is the DNA found in the nucleus of eukaryotic cells that is responsible for the transmission of genetic information from one generation to the next.
mtDNA differs from nuclear DNA in many ways. mtDNA is a small DNA molecule, while nuclear DNA is a large DNA molecule. mtDNA has a high rate of mutation, while nuclear DNA has a relatively low rate of mutation.
mtDNA does not recombine, while nuclear DNA recombines during meiosis. mtDNA is haploid, while nuclear DNA is diploid. mtDNA is used primarily for evolutionary and population genetic studies. In contrast, nuclear DNA is used for paternity testing, forensic analysis, and identifying specific diseases.
In conclusion, mtDNA and nuclear DNA are two types of DNA that differ significantly in their size, inheritance patterns, mutation rates, recombination, and applications.
To know more about nuclear DNA, refer here:
https://brainly.com/question/4061165#
#SPJ11
Why did Reginald Crundall Punnett go to Cambridge
University?
Answer:
Punnett devised the "Punnett Square" to depict the number and variety of genetic combinations, and had a role in shaping the Hardy-Weinberg law. Punnett and Bateson co-discovered "coupling" or gene linkage.
Explanation: plez DONT give brainliest
which of the following is caused by a backup of blood in the pulmonary circulation because of failure of the left side of the heart to pump blood? group of answer choices pleural effusion pneumonia empyema pulmonary edema
The inability of the left side of the heart to pump blood properly results in a blood backlog in the pulmonary circulation, which in turn leads to pulmonary edoema.
What brings on pleural effusion on the left side?Cancer, pneumonia, pulmonary embolism, congestive heart failure, and those conditions are the most typical causes of pleural effusion. The distinction between an exudate and a transudate is made possible by a pleural fluid puncture (pleural tap), and this distinction now serves as the basis for subsequent diagnostic testing.
Does pulmonary edoema result from left sided heart failure?Pulmonary congestion is linked to left-sided heart failure. Blood that is rich in oxygen is sent to the left side of the heart. Pulmonary edoema results from blood pooling in the lungs' blood arteries when the left side is not functioning properly.
To know more about pulmonary circulation visit:-
https://brainly.com/question/12836593
#SPJ1