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reply2spg
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The 500,000 types of proteins in the human body are constructed from just twenty different amino acids, each amino acid a simple structure with its own distinct shape.
(A) each amino acid a simple structure with its
(B) all the amino acids simple structures with their
(C) all the amino acids a simple structure with its
(D) every amino acid a simple structure with their
(E) each amino acid a simple structure with their
OA A I got it right, but what is the difference between A and B?
(A) each amino acid a simple structure with its
(B) all the amino acids simple structures with their
(C) all the amino acids a simple structure with its
(D) every amino acid a simple structure with their
(E) each amino acid a simple structure with their
OA A I got it right, but what is the difference between A and B?
