Answer:
A. The mitochondria change energy in organic compounds into a form the cell can use
D. The chloroplasts take in energy from sunlight and change it into organic matter.
Help me plssssss i realy need this
Answer:
Explanation:
4CO2 - 4 molecules of CO2, 1 atom of carbon, 2 atoms of oxygen
H2O - 1 molecule of H2O, 2 atoms of hydrogen, 1 atom of oxygen
5NaCl - 5 molecules of NaCl, 1 atom of sodium, 1 atom of chloride
3ZnC2 - 3 molecules of ZnC2, 1 atom of zinc, 2 atoms of carbon
Which best describes carbon dioxide’s path out of the body?a. nose → pharynx → larynx → trachea → bronchus → alveoli b. alveoli → trachea → bronchus → larynx → pharynx → nose c. alveoli → bronchus → trachea → larynx → pharynx → nose d. nose → larynx → pharynx → trachea → bronchus → alveoli
Option D, "nose → larynx → pharynx → trachea → bronchus → alveoli," best describes carbon dioxide's path out of the body.
Carbon dioxide is a waste product produced by the body's metabolism, and it needs to be eliminated to maintain a healthy balance. The process of eliminating carbon dioxide out of the body is known as respiration. During respiration, oxygen is taken in through the nose or mouth, and carbon dioxide is eliminated through the lungs.
As the air travels through the respiratory system, carbon dioxide diffuses from the bloodstream into the alveoli in the lungs. It then follows the path of nose, larynx, pharynx, trachea, bronchus, and alveoli to be exhaled out of the body through the nose or mouth. The respiratory system is responsible for maintaining the body's acid-base balance by eliminating excess carbon dioxide.
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Correct form of question would be
Which best describes carbon dioxide's path out of the body?
a. nose → pharynx → larynx → trachea → bronchus → alveoli
b. alveoli → trachea → bronchus → larynx → pharynx → nose
c. alveoli → bronchus → trachea → larynx → pharynx → nose
d. nose → larynx → pharynx → trachea → bronchus → alveoli
how many dna fragments would result when a linear dna molecule is cut by a restriction enzyme that has two restriction sites within the dna molecule?
Due to the circular DNA's three recognition sites for restriction enzymes, three DNA fragments will be produced upon cleavage. Five fragments would be created if a restriction enzyme was used to break down a linear DNA molecule at four different recognition sites.
As a result, the enzyme treatment of this DNA results in the formation of 11 fragments, each with a distinct length and nucleotide sequence. It is possible to isolate these pieces from one another and identify their respective sequences. Five fragments would be created if a restriction enzyme was used to break down a linear DNA molecule at four different recognition sites. IV. Seven fragments would be created if a closed circular DNA molecule was digested with a restriction enzyme at six recognition sites.
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what is the name of the process in which bacteria receive and express a) recombinant plasmid dna, and b) recombinant viral dna? what is the name of the process in which mammalian cells receive and express rdna?
a is the answer and that is right
Bacteria can receive and express recombinant plasmid DNA and recombinant viral DNA through a process known as transformation. This process involves the introduction of foreign DNA into bacterial cells.
Once inside, the foreign DNA can be replicated and expressed, leading to the production of new proteins. Mammalian cells can receive and express recombinant DNA through a process known as transfection. This involves the introduction of foreign DNA into mammalian cells. Once inside, the foreign DNA can be incorporated into the genome of the cell and expressed, leading to the production of new proteins.
The process of introducing foreign DNA into cells is a key technique in genetic engineering. It has many applications in medicine, agriculture, and industry. By manipulating the DNA of cells, scientists can produce new proteins with useful properties, such as enzymes that can break down toxic chemicals or antibodies that can fight disease.
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carbon can move from the atmosphere to the biosphere through a process by which plants convert light energy into sugars. what is this process called?
Photosynthesis is the process through which plants transform light energy into carbohydrates. So, the correct answer is Photosynthesis.
The process by which plants, algae, and some microorganisms transform solar light energy into chemical energy in the form of organic compounds like sugars is known as photosynthesis. This mechanism occurs in the cell membrane of some bacteria and in the specialised organelles known as chloroplasts in plant cells.
Light energy is absorbed by pigments in the chloroplasts, such as chlorophyll, and transformed into chemical energy in the form of ATP and NADPH during the light-dependent processes. The light-independent processes, in which carbon dioxide is fixed into glucose via a sequence of chemical events, are powered by these energy-dense molecules.
Plants use the energy from sunlight during photosynthesis to transform carbon dioxide from the atmosphere into organic compounds, such as sugars, that the plant can use for energy and expansion. As a byproduct of the process, oxygen is created and released into the atmosphere. As photosynthesis is the primary mechanism by which carbon is transmitted from the atmosphere to the living things that comprise the biosphere, it is a critical activity for the biosphere.
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the drug cholchicine prevents the spindle's microtubules from forming or growing. what would happen in mitosis to a cell that was given colchicine through mitosis?
Answer:
It would prevent the separation of chromosomes during the anaphase stage.
When a cell is given colchicine through mitosis, the spindle's microtubules will not form or grow. Consequently, there will be disruption of chromosome segregation during the mitotic division which could result in polyploidy, chromosome non-disjunction, and eventually cell death.
Colchicine is a medication used to prevent and treat gout attacks. It can also be used to treat familial Mediterranean fever, acute pericarditis, and Behçet's disease. Colchicine binds to microtubules and interferes with the usual cell division process. It prevents the spindle's microtubules from forming or growing. When cells are given colchicine through mitosis, chromosome segregation during mitotic division is disrupted. This could result in polyploidy, chromosome non-disjunction, and eventually cell death. This mechanism is used by scientists to examine the role of spindle microtubules in mitosis, as well as the function of the cell cycle.
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2. Which of the following behaviors align with trauma-informed care?
Answer:
Trust and Transparency. Trust and transparency, the second principle of trauma-informed care, are fundamental to psychological safety. ...
Peer Support. The next principle of trauma-informed care is peer support. ...
Collaboration. ...
Empowerment. ...
Humility and Responsiveness.
Explanation:
The trauma-informed approach is guided four assumptions, known as the “Four R's”: Realization about trauma and how it can affect people and groups, recognizing the signs of trauma, having a system which can respond to trauma, and resisting re-traumatization.
Please could someone tell me how to get full marks on this question?
By comparing the amount of carbon dioxide produced during the resting and exercising periods, we could calculate the difference in the rate of respiration between the two conditions.
What is the rate of respiration?One experiment to investigate how exercise affects the rate of respiration could be to measure the amount of carbon dioxide produced during aerobic respiration in resting and exercising individuals.
To perform this experiment, a group of participants would be asked to rest for a period of time, and then perform a period of exercise (such as running on a treadmill) for a specified amount of time. During both the resting and exercising periods, the participants' breathing rate would be measured and a sample of the exhaled air would be collected and analyzed for its carbon dioxide content.
The amount of carbon dioxide produced during aerobic respiration is directly proportional to the rate of respiration. Therefore, we would expect to observe an increase in the rate of respiration (and thus an increase in the amount of carbon dioxide produced) during the exercising period compared to the resting period. This increase in respiration rate is due to the increased demand for energy by the body during exercise, which is met through an increased rate of aerobic respiration.
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abnormal cells can often be identified in the fluids or secretions that come in contact with the epithelial surface. the type of examination that uses this is called a/an . a. pap smear b. ct scan c. mri d. clinical laboratory test
Abnormal cells can often be identified in the fluids or secretions that come in contact with the epithelial surface. The type of examination that uses this is called a/an a. pap smear.
A Pap smear, also known as a cervical screening test, is a medical test that helps doctors identify precancerous or cancerous cells on the cervix (the lower part of the uterus that opens into the vagina). By collecting and examining cells from the cervix, a Pap smear can detect any cell changes that might be cancerous or indicate the potential for cancer.
Early detection and treatment of abnormal cervical cells help prevent cancer from developing. For women over the age of 21, Pap smears are strongly recommended every three years. Women aged 30 to 65 who have had negative Pap smear results for at least three consecutive years are advised to get a Pap smear every five years. However, women with certain risk factors, such as a history of cervical cancer, may require more frequent screenings. So therefore the correct answer is a. pap smear.
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infection refers to . multiple choice question. a conversion of members of the normal microbiota into pathogens an arrangement that is impossible for members of the normal microbiota to achieve a microbe establishing itself and multiplying on a body surface with no ill effects a microbe establishing itself on or in the body in a parasitic relationship
Infection refers to a microbe establishing itself on or in the body in a parasitic relationship.
Infection refers to the establishment and multiplication of a microbe, such as a virus, bacterium, fungus, or parasite, on or within a host organism, causing harm or disease. This process typically involves the invasion and colonization of the microbe on or in the body's tissues, which can lead to an immune response and a range of symptoms, depending on the type and severity of the infection.
In some cases, members of the normal microbiota, which are the harmless or beneficial microorganisms that normally live on and within the human body, can become opportunistic pathogens and cause infection. This can happen when the balance of the normal microbiota is disrupted, for example, due to antibiotic use, immunosuppression, or a change in the environment, which can allow the normally harmless microorganisms to multiply and cause harm.
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agriculture is directly related to our biogeochemical cycles. how are our agricultural practices interferring with the chemical cycles and causing harm?
There are numerous ways by which agricultural practices interfere with the biogeochemical cycles. Use of artificial fertilizers releases excessive nitrogen which leeches into waterways turning them dead zones. Need of land for agriculture promotes deforestation, increasing the carbon dioxide concentration of the atmosphere.
Biogeochemical cycles are the natural cycles through which the nutrients or other elements are continuously transferred between biotic and abiotic factors. Therefore they maintain the continuity of ecosystem by maintaining the cycle.
Deforestation is the cutting down of fresh living trees at a rate faster than the rate at which new plants are grown. The deforestation is the cause for pollution, global warming and severe climate change.
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(PLEASE ANSWER!!!!)
1. how might the environment influence the way in which a certain species evolves?
2. Define biological evolution
3. what is special about galapagos island?
4. name an example of how animals were adapted for their specific environments on the Galapagos Island.
The environment can influence the way in which a certain species evolves in many ways:
By environmental factors such as climate, food availability, predators, and competition for resources.Biological evolution refers to the process of change over time in the characteristics of populations of organisms. The Galapagos Islands are a group of volcanic islands located off the coast of Ecuador in South America. An example of an animal that is adapted for its specific environment on the Galapagos Islands is the marine iguana.How does biological evolution occur in an environment?Environmental factors such as climate, food availability, predators, and competition for resources can all play a role in shaping the evolution of a species. Organisms that are better adapted to their environment are more likely to survive and reproduce, passing on their advantageous traits to their offspring, while those less suited to their environment may not survive and reproduce as successfully.
Change occurs through the mechanisms of natural selection, genetic drift, mutation, and gene flow. Evolution can result in the development of new species, the extinction of others, and the adaptation of organisms to new or changing environments.
Galapagos island are famous for their unique wildlife, which includes many species found nowhere else on Earth. The islands are also significant because they were studied by Charles Darwin during his voyage on the HMS Beagle, and they played a crucial role in the development of his theory of evolution by natural selection.
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16. Phoebe is a 21 year old and engages in episodes where she eats a 2 pound bag of candy, 3 peanut butter sandwiches, and a half of chocolate cake in a 1 hour time interval. She then feels guilty and induces vomiting to maintain control of her weight. Her behavior is consistent with which eating disorder?
a) Anorexia nervosa
b) Anorexia nervosa with bulimic purges
c) Bulimia with anorexic tendencies
d) Bulimia
13. Bryan is 25% over the ideal weight for his height. He would be considered_____
a) a healthy weight
b) underweight
c) overweight
d) obese
Nervosa anorexia. People with anorexia nervosa forgo food, seriously limit food intake, or consume very little of a select few foods. They might also keep weighing themselves.
What is the Type 20 disordered eating that causes obsessive overeating?Binge-eating disorder is a serious eating disorder that makes you feel like you can't stop eating and causes you to continually consume unusually large portions of food. Everybody overeats periodically, whether it's taking second and third helpings of a holiday feast.
The characteristics of bulimia nervosa.Bulimia is an eating disorder. Episodes of excessive overeating are a defining feature of it (called bingeing). The use of laxatives excessively and other kinds of purging are next.
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although human eye color is a complex trait that involves multiple genes, pigments, and patterns, current evidence has identified 10 contributing genetic loci. if each of these loci follow the law of segregation and law of independent assortment, and each possesses 1 dominant and 1 recessive allele, how many possible phenotypes are expected?
If each of the 10 genetic loci contributing to eye color follows the laws of segregation and independent assortment, there are 59,049 possible phenotypes expected.
To determine how many possible phenotypes are expected if each of the 10 identified genetic loci contributing to eye color follows the laws of segregation and independent assortment, we must first understand these laws. The law of segregation states that each individual carries two alleles for a given trait, but only one is passed on to their offspring. The law of independent assortment states that the inheritance of one trait does not affect the inheritance of another trait.
Using these laws and the information provided in the question, we can determine that each locus has two alleles, one dominant and one recessive. Therefore, for each locus, there are three possible genotypes: homozygous dominant (AA), heterozygous (Aa), and homozygous recessive (aa). When considering all 10 loci together, we can use the product rule of probability to determine the total number of possible phenotypes.
The product rule states that the probability of two independent events occurring together is the product of their individual probabilities. Therefore, the number of possible phenotypes is equal to the product of the number of possible genotypes at each locus:
3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 = 59,049.
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ethan plans for 3/10 of the plants in his garden to be tomatoes. he wants 2/5 of the plants to be peppers. will ethan plant more tomato plants or pepper plants?
Ethan plans for 3/10 of the plants in his garden to be tomatoes and wants 2/5 of the plants to be peppers. Ethan plans to plant more pepper plants than tomato plants.
To compare the number of tomato plants and pepper plants that Ethan plans to plant, we need to know the total number of plants in his garden.
Let's assume that Ethan has 100 plants in his garden.
Then, 3/10 of these plants will be tomatoes:
3/10 x 100 = 30 tomato plants.
And 2/5 of the plants will be peppers:
2/5 x 100 = 40 pepper plants.
Therefore, Ethan intends to plant more pepper plants rather than tomato plants in his garden.
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Light microscopes are not powerful enough to view most organelles found within cells, however, what structure(s)/organelle(s)of the eukaryotic cells were visible? Why do you believe this was the case?
Answer:
Due to their size and the limited resolution of light microscopy, most cellular organelles are not visible or their detailed structure can't be studied in regular stained tissue sections. The major exception is the cell nucleus of all nucleated cells.
From "Cell Biology for Histologists"
Please help me fill in these blanks
This vital reaction coverts carbon dioxide and water into carbohydrates and oxygen. Many plants. algae and bacteria use this process to make their own food. They are known as autotrophs.
Describe an autotroph.An organism that can make its own nourishment and nutrients by the use of light, water, carbon dioxide, or other substances is an autotroph. Autotrophs are also referred to as producers because they make their own nourishment and nutrients and do not depend on other organisms.
What are heterotrophs, exactly?Heterotrophs are organisms that rely on other species (plants and animals) for food since they are unable to prepare it for themselves. People are reliant on these producers for food, either directly or indirectly. Example: Every animal, person, etc.
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why do you think cells that produce large numbers of proteins have more rough endoplasmic reticulum (er) than cells that produce fewer proteins?
Read the names of the infectious agents below, and then review the statements that are true of some of the agents. Match each agent with the statements that are true about it. Some of the statements may apply to more than one infectious agent. Write your answers on the right side of the chart.
Thank you!!
According to the information, the elements that match each concept are: Viruses: Can make a human ill, usually do not kill the host organism, can live on or in a host organism, infect a host's cells to reproduce, etc...
How to classify the statements with each concept?To classify the statements with each concept (category) we must read each one of them and identify their characteristics. Once we have identified its characteristics, we can establish which statement(s) are correct for each concept. According to this procedure, the table would look like this:
Viruses: Can make a human ill, usually do not kill the host organism, can live on or in a host organism, infect a host's cells to reproduce.Bacteria: Can make a human ill, are usually single-celled organisms, can live on or in a host organism, obtain nutrients from sources outside their bodiesFungi: Can make a human ill, are usually multicellular organisms, obtain nutrients from sources outside their bodies, can live on or in a host organismParasites: Can make a human ill, usually do not kill the host organism, can live on or in a host organism, infect a host's cells to reproduce.Learn more about parasites in: https://brainly.com/question/22589174
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a rose farmer planted a field of roses. he finds that half of his field is red flowers and half of his field is pink flowers. he knows that some rose flowers that are produced can be white. what type of flowers would he have to cross to make white flowers? (sc.912.l.16.2)
To make white flowers, the rose farmer would need to cross two roses that each carry a recessive allele for the lack of pigment.
This means that both roses would need to be heterozygous for the pigmentation trait, meaning they each have one dominant allele for pigment and one recessive allele for the lack of pigment.
If the farmer crosses these two heterozygous roses, each with a 50% chance of passing on the recessive allele for the lack of pigment, then the resulting offspring have a 25% chance of inheriting two recessive alleles and thus displaying the white flower phenotype.
Therefore, the rose farmer would need to identify roses in their field that are heterozygous for the pigmentation trait, meaning they have one dominant and one recessive allele for pigment. By crossing two such roses, the farmer can produce offspring with the recessive genotype that results in white flowers.
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If blood is in short supply, which blood type would be the most beneficial to have on hand if someone needed a blood transfusion? o oâ€" ab abâ€"
suggest a reason why this test is read only after 24 hours, while other tests may take a week. what would be the likely consequence of incubating dnase agar for a week?
The activity of the enzyme is correlated with incubation time. A DNase plate that has been excessively cleaned cannot be read.
Some tests take longer to give than others for a variety of reasons, including the frequency of the test, how busy the processing facility is, if specialists are needed on site to conduct the test, and the length of time needed for the chemical reaction.
The results of tests like the coagulation test are available immediately. Some, like the electrolyte test, for instance, require multiple testing iterations and therefore can take a little longer. Further, culturing DNase agar for a week would probably cause an excessive growth of bacteria and fungus, making it challenging to evaluate the outcomes.
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how did darwin make the observation tat mmebers of a poplulation often vary bin their inherited traits
[tex]\blue{\huge {\mathrm{CHARLES \; DARWIN}}}[/tex]
[tex]\\[/tex]
[tex]{===========================================}[/tex]
[tex]{\underline{\huge \mathbb{Q} {\large \mathrm {UESTION : }}}}[/tex]
How did Charles Darwin make the observation that members of a population often vary in their inherited traits?[tex]{===========================================}[/tex]
[tex] {\underline{\huge \mathbb{A} {\large \mathrm {NSWER : }}}} [/tex]
Charles Darwin made the observation that members of a population often vary in their inherited traits during his famous voyages on the HMS Beagle. During his travels, he collected specimens of plants and animals from different parts of the world, and he observed that there was a lot of variation within species, even within the same population.
He also noticed that some of these variations were heritable and could be passed down from one generation to the next. Darwin realized that this variation was the key to understanding how natural selection works. He hypothesized that individuals that are better adapted to their environment are more likely to survive and reproduce, passing on their favorable traits to their offspring.
Over time, this could lead to significant changes in the characteristics of a population, ultimately resulting in the evolution of new species. His observations and subsequent theory of evolution by natural selection revolutionized the field of biology and continue to influence scientific thinking to this day.
[tex]{===========================================}[/tex]
[tex]- \large\sf\copyright \: \large\tt{AriesLaveau}\large\qquad\qquad\qquad\qquad\qquad\qquad\tt 04/02/2023[/tex]
Darwin made the observation that members of a population often vary in their inherited traits through careful observation and collection of data during his voyage on the HMS Beagle.
During his voyage, Darwin collected specimens of plants and animals from various locations and noted their physical characteristics. He observed that individuals within a species exhibited variations in their traits, such as the shape and size of their beaks or the color of their fur.
Darwin also studied domesticated animals and plants, noting how humans selectively bred them for desired traits. This led him to propose that natural selection, a similar process of differential reproductive success based on inherited traits, could explain the origin and diversity of species in nature.
Darwin's observations and subsequent research laid the foundation for the theory of evolution by natural selection, which is now widely accepted as the mechanism driving the diversity of life on Earth.
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Long ago elephants had much smaller trunks than the elephants we encounter today. Circle the choice below that best explains the changes in trunk size. Explain why you chose your answer in the space provided.
This is due to a mutation in the skin cell of the elephants’ trunks
This is due to a mutation in the reproductive cells of the elephants
Explain
This is due to a mutation in the skin cell of the elephants’ trunks
Over time trunks became longer so that the variety of functions performed by them could grow. Today, the elephant's trunk is basically a “hand”. It can lift and carry heavy loads, carry liquids like water inside it, pull leaves towards it's mouth and it's for sensory perception ( smell ). It can also be used as a strong defensive tool. Access to all these functions is what triggered the evolution of trunks as highly sophisticated and successful tools of the animal kingdom.
which best describes something you could do to reduce water pollution when disposing of household chemicals?
make sure they get into landfills
make sure they don't enter storm drains
make sure to put them out with other trash
make sure to pour them down the sink
Answer : make sure to put them out with other trash
Explanation:
Ways to Prevent Water Pollution
Pick up litter and throw it away in a garbage can.
Blow or sweep fertilizer back onto the grass if it gets onto paved areas. ...
Mulch or compost grass or yard waste. ...
Wash your car or outdoor equipment where it can flow to a gravel or grassy area instead of a street.
Oxpeckers and zebras have a mutualistic relationship. If the zebra were to experience a population decrease due to the introduction of a new predator, which of the following best describes how the oxpecker population would be affected?
A) it would also experience a population decrease
B) it would initially increase and then decrease
C) it would have a population increase
D) its population size would not be affected
Answer:
A
since oxpeckers feed off of ticks and bugs on zebra fur, their population would also decrease because they wont have as much food.
function of the vacoule
Answer:)
vacuoles are generally small and help sequester waste products. In plant cells, vacuoles help maintain water balance.
Explanation:)
Vacuoles are membrane-bound organelles that can be found in both animals and plants. In a way, they're specialized lysosomes. That is to say that their function is really to handle waste products, and by handle, mean take in waste products and also get rid of waste products. Sometimes the waste product is water, and therefore a vacuole would have as its function to maintain the balance of water inside and outside a cell. Sometimes a vacuole's function is to get rid of harmful toxins or to clear the extracellular space of those harmful toxins by bringing them into the cell for conversion; for chemical conversion into more safe compounds.
if the fitnesses of the genotypes a1a1, a1a2, and a2a2 are 1.5, 1.1, and 1.0, respectively, what are the values of the selection coefficient
if the finesses of the genotypes a1a1, a1a2, and a2a2 are 1.5, 1.1, and 1.0, respectively, the selection coefficient will be 1.0.
In genetics, a genotype's (genetic makeup) contribution to the gametes (sex cells) is measured by the selection coefficient in comparison to another genotype in the population.
The relative power of selection acting against a genotype is measured by the selection coefficient. Subtract each fitness value from 1.0 to obtain the selection coefficient (s) (s = 1-w).
The selection coefficient in this instance is 1.0.
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certain traits that allow pathogens to create infection and cause disease are termed certain traits that allow pathogens to create infection and cause disease are termed hyaluronidases. streptokinases. virulence factors. collagenases.
Virulence factors are critical for the pathogenicity of many bacterial species. By producing these factors, bacteria can cause damage to the host and evade the immune system, leading to disease.
Virulence factors are certain traits that allow pathogens to create infection and cause disease. These factors can be associated with bacterial toxins or enzymes that damage host tissues or allow the bacteria to evade the host immune system. Some examples of virulence factors include hyaluronidases, streptokinases, and collagenases. Hyaluronidases are enzymes that break down hyaluronic acid, a component of connective tissue.
This allows bacteria to invade deeper into the host tissue. Streptokinases are enzymes that break down blood clots. This can help bacteria spread to new locations in the body. Collagenases are enzymes that break down collagen, another component of connective tissue. This can help bacteria to spread through the host tissue and invade new areas.
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breeds of domestic animals can differ a great deal in their appearance and behavior. why are they not considered seperate species
The breeds of domestic animals can differ a great deal in their appearance and behavior, yet they not considered as separate species because species are reproductively isolated. However the domestic animals are able to produce fertile species when interbred.
In the hierarchy of classification, species belong to the lowest level. The species have similar characters and are able to produce fertile offspring when mated. If two organisms produce infertile offspring upon mating, they are not considered of same species.
Domestic animals are the animals that can be tamed and are kept under human captivity. The example of domestic animals are cows, dogs, hen, etc.
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