Bio-Chemistry (M.Phil./Ph.D.) 2014 Panjab University Entrance Exam With Answers

Practice Mode:
30.

Which of the followed statement about aminolevulinate synthase (ALA synthase ) is correct ?

A: ALA synthase catalyses the rate-limiting reaction in haem degradation
B: ALA synthase catalyses the rate-limiting reaction in haem synthesis
C: ALA synthase is decreased in patients with acute intermittent porphyria.
D: ALA synthase synthesis decreases in individuals treated with drugs such as barbiturates.

The answer is: B