The presence of calcium in the sarcoplasm is directly responsible for ____________________.
energizing the myosin heads
exposing the binding sites on actin
the movement of actin towards the M line
decreasing the length of the myosin myofilamentexposing the binding sites on actin

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09-12-2022
Biology

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The presence of calcium in the sarcoplasm is directly responsible for ____________________.
energizing the myosin heads
exposing the binding sites on actin
the movement of actin towards the M line
decreasing the length of the myosin myofilamentexposing the binding sites on actin

Answer :

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rafikiedu17 rafikiedu17 · Answer 1 · 2022-12-17T04:23:49-05:00

The presence of calcium in the sarcoplasm is immediately liable for exposing the binding websites on actin.

The calcium that enters the heart mobile thru the calcium ion channel activates the ryanodine receptor to release sufficient calcium from the sarcoplasmic reticulum to initiate heart muscle contraction. this is completed by using binding to some other shape, named troponin, in the coronary heart muscle cells.

Calcium is needed by proteins, troponin, and tropomyosin, that regulate muscle contraction by blockading the binding of myosin to filamentous actin. In a resting sarcomere, tropomyosin blocks the binding of myosin to actin.

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The presence of calcium in the sarcoplasm is directly responsible for ____________________. energizing the myosin heads exposing the binding sites on actin the movement of actin towards the M line decreasing the length of the myosin myofilamentexposing the binding sites on actin

Answer :

Other Questions

The presence of calcium in the sarcoplasm is directly responsible for ____________________.
energizing the myosin heads
exposing the binding sites on actin
the movement of actin towards the M line
decreasing the length of the myosin myofilamentexposing the binding sites on actin