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Question
What is a "limiting" amino acid in a protein?
a. A nonessential amino acid present in high amounts, which inhibits protein synthesis
b. An amino acid of the wrong structure to be utilized for protein synthesis efficiently
c. An essential amino acid present in insufficient quantity for body protein synthesis to take place
d. An amino acid that limits the absorption of other essential amino acids by competing with them for transport sites within the GI tract
e. An amino acid that has the paradoxical effect of causing catabolism
Answer
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