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Question
Biology
Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.
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Q. Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.
NEET
NEET 2016
Locomotion and Movement
A
Calcium
85%
B
Magnesium
5%
C
Sodium
6%
D
Potassium
3%
Solution:
During muscle contraction neural signal reaching. Neuromuscular junction release ach which generate action potential in the sarcolemma and cause the release of Ca
+2
into sarcoplasm