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JIPMER 2004
Exam
JIPMER
Year
2004
Subject
Botany
Chapter
Respiration in Plants

JIPMER 2004 · Botany · Respiration in Plants

The terminal electron acceptor during electron transport system is

The terminal electron acceptor during electron transport system is

Options

  1. Aoxygen
  2. Bcyto a3a_3
  3. Ccyto c
  4. Dplasto quinone

Correct answer

A. oxygen

Step-by-step solution

Oxygen is the terminal acceptor of electron in electron transport system, which in the presence of proton forms a water molecule 12O2+2e⟶O2−2H++O2−⟶H2O\begin{gathered}\frac{1}{2} \mathrm{O}_2+2 e \longrightarrow \mathrm{O}^{2-} \\ 2 \mathrm{H}^{+}+\mathrm{O}^{2-} \longrightarrow \mathrm{H}_2 \mathrm{O}\end{gathered}
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