Vitamin K is found in bacteria like E. Coli and aids in blood clotting. Vitamin K aids the body's absorption of mineral calcium, allowing for proper muscle growth and repair.
<h3>What is E. coli?</h3>
E. coli is a Gram-negative, facultative anaerobic, rod-shaped coliform bacterium of the genus Escherichia that is frequently found in the lower intestine of warm-blooded organisms.
Vitamin K, which is found in bacteria such as E. Coli, aids in clot formation.
Vitamin K promotes mineral calcium absorption in the body, allowing for proper muscle repair and growth.
Thus, due to this reason, humans would not be able to repair and grow muscle without bacteria.
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Answer:
3rd One
Explanation:
1. Doesn't even talking about animals dying
2. Kills of all the fish in one small pond but not the whole species
3. Correct because every individual in a species has been killed
4. They just migrated not died
The responses observed in type IV hypersensitivities result from the action of T cells and phagocytes.
Hypersensitivity IV type, also called delayed-type hypersensitivity (DTH), involves T cell-antigen interactions that cause activation and secretion of cytokines. This type of hypersensitivity requires sensitized lymphocytes that respond 24–48 hours after exposure to soluble antigens. A type IV hypersensitivity reaction is a cell-mediated reaction that can occur in response to contact with certain allergens, resulting in what is called contact dermatitis, or in response to certain diagnostic procedures such as the tuberculin skin test. Certain allergens need to be avoided to treat this condition. Type IV hypersensitivity response is observed results from the action of T cells and macrophages while other types are mediated by antibodies. This reaction occurs at least 1–3 days after the initial exposure. Type IV hypersensitivity is the mechanism of many autoimmune disorders.
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