Assertion (A): | After death, the body muscles get stiff as a state of partial contraction of muscles. |
Reason (R): | Attachment of myosin head to unexpected sites on action can take place partially. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
2. | Both (A) and (R) are True but (R) is not the correct explanation of (A) |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
A. | It is initiated by a signal sent by CNS via sensory neuron. |
B. | Neurotransmitter generates action potential in the sarcolemma. |
C. | Increased Ca++ level leads to the binding of calcium with troponin actin filaments. |
D. | Masking of active site for actin is activated. |
E. | Utilising the energy from ATP hydrolysis to form cross bridge. |