Answer:
The primary structure of a protein — its amino acid sequence — drives the folding and intramolecular bonding of the linear amino acid chain, which ultimately determines the protein's unique three-dimensional shape.
Explanation:
They form memory cells in which those cells remember the same pathogen for faster antibody production, in aid of future infections.
The answer is option B "psychiatrist." Psychiatrist are specialized in medicine and on finding cures for common diseases which would make them doctors. Also its not option A because a <span> psychologist is a person who studies in behaviors which is a therapist, its not option C because a social worker works mainly in families but not for the health. Its also not option D because a case manager who is placed to render court cases.
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There are more overweight humans than animals becuase humans can easily get food than animals. Animals are getting hunted, killed for food, so that makes it less likely for other animals to get to eat if their getting killed off.