Question

Which of the following statements is correct about the reductive pentose phosphate pathway?

(a) It is not reversible

(b) Transketolase transfers 3 carbon units

(c) Transaldose transfers 2 carbon units

(d) Pentoses can provide glycolytic intermediates

I had been asked this question during an interview.

Question is taken from Pentose Phosphate Pathway of Glucose Oxidation topic in section Principles of Bioenergetics and Glycolysis of Biochemistry

Answer 1

Correct choice is (d) Pentoses can provide glycolytic intermediates

To elaborate: It is reversible, transketolase transfers 2 carbon units and transaldose transfers 3 carbon units.