Multiple Choice
Phenylketonuria (PKU) ,caused by recessive genes in chromosome pair 12,is a condition characterized by:
A) impairment of chloride ion transport across all membranes.
B) failure to produce an enzyme needed to generate the amino acid tyrosine.
C) impairment of the blood's capacity to store oxygen.
D) impairment of the body's capacity to store calcium.
Correct Answer:

Verified
Correct Answer:
Verified
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