The pyrimidine ring system is shown below.What is the source of the carbons 4,5 and 6 during the de novo biosynthesis of pyrimidines? 
A) Glutamine.
B) Aspartate.
C) 3 bicarbonate ions.
D) Pyruvate.
Correct Answer:
Verified
Q22: Which type of enzymes catalyze the phosphorylation
Q23: Which is the correct order for the
Q24: The source of the hydrogen to form
Q25: Which is used to synthesize CTP?
A)CMP.
B)GMP.
C)TMP.
D)UMP.
Q26: What is unusual about the reaction catalyzed
Q28: Carbamoyl phosphate synthetase I is located in
Q29: Which catalytic site is not contained in
Q30: The reduction of ribonucleotides by ribonucleotide reductase
Q31: Which is the correct order for the
Q32: Increased concentrations of ATP and GTP increase
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents