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JEE Main Chemistry Class 12 Biomolecules Part 1 Questions
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Question : 70
Total: 100
Accumulation of which of the following molecules in the muscles occurs as a result of vigorous exercise ?
[Online April 11, 2015]
Glycogen
Glucose
Pyruvic acid
L
-lactic acid
Validate
Solution:
Glucose
stored
in
the
form
of
Glycogen
─
─
─
─
─
─
─
─
─
─
─
─
─
▶
(
does
not
need
oxygen
;
need
only
enzymes
)
Pyruvic
acid
↓
Lactic
acid
O
2
─
─
─
─
─
▶
C
O
2
+
H
2
O
During vigorous exercise sufficient oxygen is not available to meet the energy demand, so energy is derived through conversion of pyruvic acid to lactic acid.
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