MDCAT Biology MCQ #337

During the Krebs cycle, the removal of hydrogen atoms from organic intermediate molecules is:

MDCAT Biology MCQ #337

  1. Question 1

    Q1. During the Krebs cycle, the removal of hydrogen atoms from organic intermediate molecules is:

    • A) Reduction
    • B) Oxidation
    • C) Carboxylation
    • D) Hydration

    Answer: Oxidation

    Explanation: Oxidation is the loss of electrons or hydrogen. Reduction is tempting because it involves the gain of these same components.