SATHEE: Respiration in Plants Question 16

Respiration in Plants Question 16

16. In glycolysis, during oxidation electrons are removed by

(a) ATP

(b) glyceraldehyde-3-phosphate

(c) $N A D +$

(d) molecular oxygen

Show Answer

Answer : c

Hints & Solutions

(c) In glycolysis, during oxidation electrons are removed by $N A D^{+}$ . When 3-phosphogtyceraldehyde is converted into 1,3 diphosphoglyceric acid, two electrons and two protons are released which are utilised to convert $N A D^{+}$ to NADH and one $H^{+} N A D^{+} + 2 H^{+} +$ $2 e \to N A D H + H^{+}$ . ATP is the energy currency in all cells. Glyceraldehyde 3 - phosphate is reduced during glycolysis. Molecular oxygen is the terminal electron acceptor in ETS.

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Respiration in Plants Question 16

16. In glycolysis, during oxidation electrons are removed by

Answer : c

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