Multiple choice

Which of the following statements about nucleic acid metabolism is/are incorrect?

A. Nucleotide preparation is an anabolic mechanism involving the chemical reaction of phosphate, pentose sugar and nitrogenous base. B. In purine synthesis, phosphoribosyl pyrophosphate is turned into inosine triphosphate. C. Both synthesis and degradation reactions require enzymes.

  1. Only A

  2. Only B

  3. Only C

  4. Only A and B

  5. Only A and C

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This option is correct. In purine synthesis, phosphoribosyl pyrophosphate is turned into inosine monophosphate.