Globular protein which masks active sites on $G$-actin is :-

Assertion : The phase of muscle contraction occurs when myosin binds and releases actin.
Reason : Muscle contraction is initiated by a signal sent by the peripheral nervous system via motor neuron.

The muscular contraction in which the tension remains the same and the mechanical work is also done is called

What is the value of the action potential in a muscle fibre?

Select the correct option regarding the components of myosin.

Which of the following movements in the mammalian skeleton represents the leverage of the third order,where the force is applied at a point between the fulcrum and the point of resistance?