Multiple Choice
Analysis of enzyme activities in a cell in the absence and presence of AMP and GMP is completed.Which enzyme would show lower activity when AMP is added but not when GMP is added?
A) glutamine-PRPP aminotransferase
B) adenylosuccinate synthase
C) IMP dehydrogenase
D) PRPP synthetase
Correct Answer:
Verified
Correct Answer:
Verified
Q4: The activity site of ribonucleotide reductase can
Q5: Two biosynthesis steps are necessary to incorporate
Q6: Consider the breakdown of the four compounds
Q7: To determine the role of glutaredoxin in
Q8: Several cysteines play important roles in the
Q10: Glutamine-PRPP amidotransferase is a tetrameric enzyme that
Q11: Analysis of AMP and GMP synthesized in
Q12: The transformation of ribose-5-phosphate to AIR in
Q13: The nitrogen atoms of a purine originate
Q14: The carbon atoms of a purine originate