CH 31 Flashcards
1
Q
The entry of nitrogen into the biosphere is not an energetically cheap process.
How many molecules of ATP must be hydrolyzed per N2 molecule fixed?
A
16
2
Q
The carbon skeleton that accepts the ammonia to form glutamate is
A
The enzyme glutamate dehydrogenase plays a role in amino acid degradation. This enzyme also provides the means by which ammonium ions are first incorporated into amino acids during their biosynthesis.
