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Last electron acceptor in respiration is

a)

Oxygen

b)

Hydrogen

c)

Carbon dioxide

d)

NADH

Question ID - 4887 :-

Last electron acceptor in respiration is

a)

Oxygen

b)

Hydrogen

c)

Carbon dioxide

d)

NADH

1 Answer
5876 Votes
3537
Answer Key : (b) -

(b)

Electron transport chain takes place in the inner mitochondrial membrane and consists of flavins, ubiquinone, cytochromes and oxygen as electron carriers.

Sequence of electron transport :

NAD   FAD   Co-Q

Cytochrome -b    Cyt-    Cyt-a    Cyt –  O2

Next Question :

In animal cells, like muscle, during exercise when  is inadequate for cellular respiration, pyruvic acid is reduced into lactic acid by

a)

b)

Carboxylation

c)

Lactate dehydrogenase

d)

None of the above

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