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Question: Answered & Verified by Expert
In the electron transport system, a molecule of ATP is formed when an electron passes from:
BiologyRespiration in PlantsNEET
Options:
  • A Cytochrome-c to cytochrome-a
  • B Cytochrome-a to cytochrome-c
  • C Cytochrome-b to cytochrome-c1
  • D Cytochrome-c to cytochrome-b
Solution:
1863 Upvotes Verified Answer
The correct answer is: Cytochrome-b to cytochrome-c1
In all, 3 ATP molecules are formed in the electron transfer system:
i. First between NADH2 and FMN.
ii. Second between cytochrome-b and cytochrome-c1
iii. Third between cytochrome-a and cytochrome-a3

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