A) electron transport system
B) \[{{C}_{4}}\] cycle
C) Krebs cycle
D) alcoholic fermentation
Correct Answer: A
Solution :
Decarboxylation is the removal of carbon from a compound in form of \[C{{O}_{2}}\]. Electron transport system is operated in inner membrane of mitochondria. It is a series of coenzymes and cytochromes that take part in the passage of electrons from a chemical to its ultimate. acceptor. Decarboxylation does not take place in ETS. Krebs cycle is a stepwise oxidative and cyclic degradation of activated acetate derived from pyruvate. Decarboxylation reactions take place during Krebs cycle. \[{{C}_{4}}\] cycle (Hatch and Slack) operated in \[{{C}_{4}}\]plants and the decarboxylation reaction take place in bundle sheath cells. Alcoholic fermentation is quite common in fungi and bacteria. During alcoholic fermentation pyruvate is broken down to ethyl alcohol and \[C{{O}_{2}}\].
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