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Earn 100

Describe the term oxygen debt.
Important Questions on Locomotion and Movement
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Reason (R): The above said molecules have a role in masking and unmasking the active sites on actin.

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Statement II: Actin is a motor protein that is able to convert chemical energy into mechanical energy

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HARD

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(i) Muscles show three essential properties such as excitability, conductivity and contractility.
(ii) Muscular tissue is endodermal in origin except muscle of iris and ciliary body.
(iii) The cytoplasm of muscle fibre has several myofibrils.
(iv) Skeletal muscles exhibit slow and prolonged contractions.
(v) The regular arrangement of myosin and actin filaments is responsible for alternate dark and light bands of striated muscle.

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Assertion (A): Skeletal muscles have very limited power of regeneration.
Reason (R): Satellite cells are present in them.
The correct option among the following is

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-line
-line
-zone
-band

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In striped muscles, cross bridges rapidly dissociate when

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