🦠microbiology review

NADH

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

NADH is a coenzyme that plays a crucial role in energy production within cells by transporting electrons during cellular respiration. It is the reduced form of NAD+ (nicotinamide adenine dinucleotide).

5 Must Know Facts For Your Next Test

  1. NADH is produced during glycolysis and the Krebs cycle.
  2. It carries electrons to the electron transport chain in mitochondria.
  3. NADH generates ATP through oxidative phosphorylation.
  4. In photosynthesis, NADPH, not NADH, is primarily involved in the light-dependent reactions.
  5. The ratio of NAD+/NADH is important for maintaining cellular redox balance.

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