The first step in pyrimidine biosynthesis is the formation of
A)carbamoyl phosphate.
B)carbamoyl aspartate.
C)β-aminoisobutyrate.
D)dihydroorotate.
E)none of the above

Question

Quizplus · Accepted Answer

The first step in pyrimidine biosynthesis is the formation of carbamoyl phosphate. This is produced from glutamine and CO2 by the enzyme carbamoyl phosphate synthetase II.

The First Step in Pyrimidine Biosynthesis Is the Formation of