The Citric Acid Cycle Is a Unique Metabolic Pathway Because

Multiple Choice

The citric acid cycle is a unique metabolic pathway because it is cyclic. Which statement best describes how it is cyclic?

A) It is cyclic because oxaloacetate is regenerated.
B) It is cyclic because FAD and NAD⁺ are reduced.
C) It is cyclic because CO₂ is regenerated.
D) It is cyclic because it is linked with oxidative phosphorylation.
E) All of the above are reasons that the citric acid cycle is cyclic.