Locomotion and MovementHard

Question

Consider the following diagram showing four stages (A - D) of muscle contraction and select the option with incorrect information regarding these stages ?

Options

A.A - Myosin head not attached with actin due to masking of active sites.
B - Binding of energized myosin heads to the exposed active sites on actin filaments
B.B - Formation of cross bridges
C - Rotation of myosin heads and sliding of actin filaments over myosin.
C.C - Utilising the energy by myosin heads from ATP hydrolysis
D - Sliding of actin filaments towards the centre of the A-bond
D.A - Utilising the energy by myosin heads from ATP hydrolysis
D - Breaking of cross-bridges

Solution

NECERT XI Pg.# 307

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