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Question

What is Q in the ETC?


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Solution

Q in ETC:

  1. Q is ubiquinone (UQ) in the ETC.
  2. It connects complex I and complex II to complex III.
  3. The reduced ubiquinone or ubiquinol (QH2 or UQH2) transfer their electrons to the next complex and get oxidized.
  4. They transfer the electrons to cytochrome c through cytochrome bc1 complex (complex III).

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