Respiration In Plants Question 110
The correct sequence of electron acceptors in ATP synthesis is [CBSE PMT 1997]
Options:
A) $ Cytaabc $
B) $ Cytbcaa_3 $
C) $ Cytbca_3~a $
D) $ Cytcbaa_3 $
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Answer:
Correct Answer: B
Solution:
These are arranged in order of their increasing redox potential and electron flow through the chain in a stepwise manner from the more electropositive compound to the more electronegative $ O_2 $ .
On the basis of redox potential, the cytochrome acceptor order is cytbcaa_3.
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BETA
