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Question

Biology Question on Fermentation

Anaerobic respiration in animals produces:

A

glucose and O2{{O}_{2}}

B

lactic acid

C

C2H5OH{{C}_{2}}{{H}_{5}}OH and CO2C{{O}_{2}}

D

CO2C{{O}_{2}} and H2O{{H}_{2}}O

Answer

lactic acid

Explanation

Solution

In anaerobic respiration (in absence of oxygen) incomplete oxidation of glucose takes place. Consequently less amount of energy released and lactic acid is produced. GlucoseC6H12O6RespirationAnaerobic(Laticacid)2C3H6O3+energy_{Glu\cos e}^{{{C}_{6}}{{H}_{12}}{{O}_{6}}}\xrightarrow[\operatorname{Re}spiration]{Anaerobic}_{(Latic\,acid)}^{2{{C}_{3}}{{H}_{6}}{{O}_{3}}}+energy