Question:
FAD is electron acceptor in the citric acid cycle during the oxidation of
FAD is electron acceptor in the citric acid cycle during the oxidation of
Updated On: Jun 6, 2022
- Malic acid to oxaloacetic acid
- Succinic acid to malic acid
- Citric acid to alpha-ketoglutaric acid
- Alpha-ketoglutaric acid to succinic acid
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The Correct Option is B
Solution and Explanation
In the citric acid cycle, FAD is electron acceptor during oxidation of succinate. Succinate undergoes dehydrogenation to form fumarate with the help of membrane based enzyme succinate dehydrogenase. $FADH_2$ (reduced flavin adenine dinucleotide) is produced.
Succenate $ + FAD {->[{\overset{\text{Succinate}}{\text{dehydrogenase}}}]}$ Fumarate $+ FADH_2$
Succenate $ + FAD {->[{\overset{\text{Succinate}}{\text{dehydrogenase}}}]}$ Fumarate $+ FADH_2$
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Concepts Used:
Respiration in Plants
Respiration in plants is a process that entails the production of energy in plants. This process can simply be described as the intake of Oxygen and the release of Carbon Dioxide as an outcome of the oxidation of complex organic compounds. Though plants do not have any specific organ to balance the process of respiration, their stems, roots, and leaves do this work at a very low rate than other living beings. The process of respiration is very crucial for the plants to sustain the growth of the plant tissues.
This process can be stated as-
\[C_6H_{12}O_6 + 6O_2 → 6CO_2 + 6H_2O + \text{Energy}\]