Answer:
The correct option is C: antigen-binding sites
Explanation:
The antibody is shaped much like the letter Y in the English alphabet. It has two antigen binding sites that are identical in nature. The specificity of these sites is determined by the amino acid sequence that makes it up. Antibodies are complementary to these antigen binding sites, and the antibodies have an incredible ability to recognize a great variety of antigens.
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Answer:
Letting go of regrets and past decision.
Explanation:
Answer:
I am 100% sure it's 1.) Faults.
Explanation:
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Follow this link for helpful answer
https://www.reference.com/science/function-gastric-caeca-7b6d7732ca4340e5
Cells have different uses and functions. There must be differentiation/diversity between cells to form a functional organism.