Bio-Chemistry (M.Phil./Ph.D.) 2017 Panjab University Entrance Exam With Answers

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19.

Choose the appropriate statement regarding Carbamoyl phosphate synthetase I and CPS II

A: Both use ammonia as a substrate
B: CPS I uses ammonia and CPS II uses glutamine as a source of nitrogen
C: CPS I is involved in pyrimidine biosynthesis and CPS II in urea cycle
D: Both are involved in urea cycle

The answer is: B

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