Rachel and mark are discussing the requirements of a healthy diet. rachel says that essential amino acids come from a mix of complete and incomplete proteins. mark says only complete proteins can provide amino acids to the body. who is correct? a. both rachel and mark are correct. b. mark is correct. c. neither rachel nor mark is correct. d. rachel is correct.

D. Rachel is correct.

Explanation:

Amino acids are essential for human life. We could say that they are the "bricks" with which proteins are built. Proteins, in turn, are an essential molecule for all metabolic processes in our body. Proteins can be considered complete when they have all the essential amino acids in sufficient quantity, and incomplete when at least one essential amino acid does not exist enough to satisfy our needs. For this reason, we may consider Rachel to be correct, even though the essential amino acid supply of incomplete proteins is poor.

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