MDCAT Biology MCQ #386

In the mitochondrial electron transport chain, electrons are transferred from NADH to the first carrier. Which molecule acts as this primary acceptor?

MDCAT Biology MCQ #386

  1. Question 1

    Q1. In the mitochondrial electron transport chain, electrons are transferred from NADH to the first carrier. Which molecule acts as this primary acceptor?

    • A) Flavin mononucleotide
    • B) Coenzyme Q
    • C) Cytochrome c
    • D) Cytochrome a3

    Answer: Flavin mononucleotide

    Explanation: FMN is the first electron acceptor in Complex I; Coenzyme Q (Ubiquinone) receives electrons from both Complex I and II.