Regulation of pyrimidine de novo synthesis in mammals is through allosteric control by
A) aspartate transcarbamoylase (ATCase)
B) OMP decarboxylase
C) dihydroorotase dehydrogenase
D) hypoxanthine-guanine phosphoribosyl transferase (HGPRTase)
E) ribose phosphate pyrophosphokinase
Correct Answer:
Verified
Q12: The common intermediate of purines AMP and
Q13: Dihydroorotate is synthesized from
A) glycine and carbamoyl
Q14: Which of the following is correct regarding
Q15: What step is common to both purine
Q16: Which of the following amino acids is
Q18: In the pyrimidine salvage pathway, cytidine is
Q19: What enzyme is responsible for the conversion
Q20: In the mechanism of ribonucleotide reductase, a
Q21: What molecule is used to reduce ribonucleotide
Q22: Ribonucleotide reductase relies on cofactors
A) Fe or
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