The final product of a biosynthetic pathway usually inhibits an enzyme that cata

Question

The final product of a biosynthetic pathway usually inhibits an enzyme that catalyzes the _______ reaction in the pathway.

a.second committed

b.energy requiring

c.energy generating

d.last

e.first committed

Phenylketonuria can be diagnosed by tests that detect:

a.elevated levels of transaminases.

b.an elevated level of glutamate.

c.an elevated level of tyrosine.

d.a decreased level of urea.

e.elevated levels of phenylalanine or phenylpyruvate.

a.second committed

b.energy requiring

c.energy generating

d.last

e.first committed

Explanation / Answer

Answer for 1st Question: The final product of a biosynthetic pathway usually inhibits an enzyme that catalyses the "energy generating" reaction in the pathway.

Answer for 2nd Question:Phenylketonuria is an commonly observed in 1-2day baby. Usually in this condition "Elevated levels of Phenylalanine in the blood" takes place not the phenylpyruvate.

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