Multiple Choice
Which of the following is the original nitrogen source for the nitrogen found in amino acids?
A) atmospheric nitrogen (N2)
B) tetrahydrofolate
C) glutamine
D) ammonia (NH3)
E) urea
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q19: What process converts N<sub>2</sub> to NH<sub>3</sub>?<br>A) urea
Q20: What molecule is the precursor for
Q21: Glutamate is the carbon skeleton precursor for
Q22: Draw homocysteine.
Q23: The enzyme _ is regulated by cumulative
Q25: Glycine condenses with succinyl CoA in the
Q26: Homocysteine is an intermediate in the synthesis
Q27: What unusual (and not recommended) experiments were
Q28: Essential amino acids (for humans) differ from
Q29: The carbon skeletons used to synthesize amino