Which of the following sugars is an intermediate in the pentose phosphate pathway?

A Fructose-6-phosphate
B Glucose-6-phosphate
C Ribulose-5-phosphate ✓
D Sedoheptulose-7-phosphate

Explanation

The pentose phosphate pathway involves the conversion of glucose-6-phosphate into various pentoses, including ribulose-5-phosphate, which is an important intermediate in this pathway.

Mnemonic

'Rib' = 'rib'osome, related to nucleotide synthesis

Source

Stryer Biochemistry
Carbohydrate Metabolism Biochemistry Pentose Phosphate Pathway Hard NURSING Confidence: high