Answer:
T and B cells.
Explanation:
Adaptive immunity is the kind of immunity that you acquire after exposure to an antigen (pathogen or vaccine), it involves memory in order to facilitate a quick response if there's a reinfection with the same pathogen.<em> T cells are responsible for the cell-mediated response while the B cells are responsible for the humoral response.</em> Both of these cells are specific to the pathogen's structure, therefore they can kill it directly.
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Beans, because they contain protein. When it comes to building and repairing, protein is most likely your answer. We know that pasta is not the answer because it is a large source of carbohydrates and most often used for carbo-loading.
Answer:
option D. and B. and C.
Explanation:
option a. atmosphere contains 78% nitrogen, but it is in the crude form and very few organisms can absorb nitrogen in the atmosphere. so it is necessary for the nitrogen cycle to take place. therefore option a. is false
option b. ATP, adenosine triphosphate, contain Adenine, which has a portion of nitrogen. And nitrogen is known to be one of the main components of energy storing molecules.
option c. Nitrogen is an important part of amino acid, proteins and any of such.
option D. nitrogen is required for all organic molecules of organisms.
