Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

10 Cards in this Set

  • Front
  • Back
Complex I or NADH Dehydrogenase or NADH-CoQ reductase
Substrate: NADH
Product: QH2
Acceptor: CoQ
Cofactors: FMN, FeS
Complex II or Succinate
dehydrogenase, Succinate-CoQ reductase
Substrate: succinate
product: Fumerate + QH2
Acceptor: CoQ
Cofactors: FAD
Does not pump H across the membrane
Complex III or cytochrome b-c complex, Cytochrome C-CoQ reductase
Substrate: QH2
product: reduced cytochrome c
acceptor: cytochrome C
Cofactors: cyt b, cyt c, Fe-S
Complex IV or cytochrome aa complex, cytochrome oxidase
Substrates: Cyto. c, O2
Product: H2O
Cofactors: Cu, cyt. a, a3
What is the product of complex I and II and a substrate to complex III?
What are the carriers for Category I?
H & e-
What are the cofactors for Category I?
FMN & FAD, Q10
What are the carriers for Category II?
electrons only
What are the cofactors for Category II?
Fe in Hemeoglobin
Heme cytochromes
Complex V or ATP Synthase
Complexes establish a proton gradient across inner Mt. membrane. Complex V is where coupling takes place.

Substrate: ADP
Product: ATP
Cofactors: none