Which one of the following metabolic intermediates is common to glycolysis, nucleotide synthesis, and glycogen synthesis?
Which one of the following metabolic intermediates is common to glycolysis, nucleotide synthesis, and glycogen synthesis?
(A) Citrate
(B) Oxaloacetate
(C) Glucose 6-phosphate
(D) Glycerol 3-phosphate
Answer
Answer: (C) Glucose 6-phosphate
Explanation:
Glucose 6-phosphate is a key intermediate in glycolysis, is used in the pentose phosphate pathway (which contributes to nucleotide synthesis), and is also a precursor for glycogen synthesis.