A) fermentation
B) fragmentation
C) restoration
D) multiplication
Correct Answer: A
Solution :
Anaerobic respiration after glycolysis is called fermentation. In this process, the end products are ethyl alcohol and \[C{{O}_{2}}\]. \[{{C}_{6}}{{H}_{12}}{{O}_{6}}\to 2{{C}_{2}}{{H}_{5}}OH+2C{{O}_{2}}\] This process takes place into two steps: (i) Decarboxylation of pyruvic acid into acetaldehyde releasing \[C{{O}_{2}}\] in the presence of pyruvic acid decarboxylase enzyme. (ii) Reduction of acetaldehyde into alcohol and conversion of \[NADH+{{H}^{+}}\] to \[NA{{D}^{+}}\] in the presence of alcohol dehydrogenase enzyme.
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