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Phenylalanine Is A(n)____ and the Starting Point for a Network

Question 16

Multiple Choice

Phenylalanine is a(n) ____ and the starting point for a network of metabolic pathways.

A) lactase precursor molecules
B) carbohydrate by-products of respiration
C) essential amino acid
D) sub-types of hemoglobin
E) phenylthiocarbamides

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