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STD 11 - 12. Respiration in plants — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 12. Respiration in plants1 Mark
MCQ
The correct sequence of electron acceptor in $ATP$ synthesis is
  • A
    $Cyt$ $a \,a \,b \,c$
  • ✓
    $Cyt$ $b\, c \,a\, a_3$
  • C
    $Cyt$ $b \,c \, a_3$a
  • D
    $Cyt$ $c \,b \,a \,a_3$
✓

Answer

Correct option: B.
$Cyt$ $b\, c \,a\, a_3$
b
(b) These are arranged in order of their increasing redox potential and electron flow through the chain in step wise manner from the more electronegative compound to the more electropositive ${O_2}$. On the basis of redox potential cytochrome acceptor order is $Cyt$ $b\, c\, a \,a_3$

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