Pyrimidines Flashcards
1
Q
Name 6 pyrimidines.
A
thymine cytosine uracil UMP UTP CTP
2
Q
In de novo pyrimidine synthesis, the _____ is synthesized, followed by _____.
A
base ring; attached to the ribose
3
Q
What is the first product of pyrimidine synthesis?
A
UMP
4
Q
The primary regulated step in pyrimidine synthesis is?
A
CO2 + ATP –> carbomyl phosphate via CPS II
5
Q
Where does pyrimidine synthesis occur?
A
in the cytosol
6
Q
What are the products of pyrimidine breakdown?
A
succinyl-CoA
malonyl-CoA
acetyl-CoA