Multiple choice

Which of the following is/are non-protein electrons carrier molecule(s) in electron transport chains?

  1. NADH-Q reductase
  2. Cytochromes
  3. Ubiquinones

  1. Only 1

  2. Only 2

  3. Only 3

  4. Both 1 and 2

  5. Both 2 and 3

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

Ubiquinones (also known as Coenzyme Q) are non-protein electron carriers located in the inner mitochondrial membrane.

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