Which of the following is a key intermediate of glucose catabolism to the citric acid cycle?
A) ATP
B) pyruvate
C) oxygen
D) lactate
E) glucokinase

Question

Quizplus · Accepted Answer

Pyruvate is a key intermediate of glucose catabolism as it is formed during glycolysis and then further converted to acetyl-CoA, which enters the citric acid cycle. ATP and oxygen are involved in various steps of glucose catabolism, but they are not intermediates themselves. Lactate is not a direct intermediate of glucose catabolism leading to the citric acid cycle. Glucokinase is an enzyme that facilitates the phosphorylation of glucose during the first step of glycolysis, but it is not an intermediate in the citric acid cycle.

Which of the Following Is a Key Intermediate of Glucose