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Standard XII
Biology
Electron Transport Chain
In ETS, which...
Question
In ETS, which acts as final hydrogen acceptor?
A
Oxygen
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B
Nitrogen
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C
C
O
2
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D
H
2
O
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Solution
The correct option is
A
Oxygen
Electron Transport chain (ETC)
→
ETC is the final common pathways in aerobic cells by which
electrons derived from various substrates are transferred to oxygen.
→
It is a series of an oxidation-reduction reaction.
Refer image
→
The enzyme complexes 1-IV are carriers of electron while V
is responsible for ATP synthesis.
→
NADH, Coenzyme Q, Cytochrome C and Oxygen are mobile
e
−
carriers.
→
These are collectively involved in the transport of
e
−
which ultimately combines with
O
2
, to produce water.
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