Multiple choice

The citric acid cycle is ____ step in carbohydrate metabolism.

  1. First

  2. second

  3. third

  4. fourth

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The citric acid cycle (Krebs cycle) is the third major step in carbohydrate metabolism, following glycolysis (first) and pyruvate oxidation (second). It precedes the electron transport chain (fourth).