Muscle Contraction Process [HD Animation]



Muscle contraction animation

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36 thoughts on “Muscle Contraction Process [HD Animation]”

  1. Please give the answer…..
    Which statement is correct????
    A.Formation of cross bridge a molecule of ATP is required.
    B.For breaking the cross bridge also a molecule of ATP is required.
    1.both are correct
    2.A correct B wrong
    3.B correct A wrong
    4.both are wrong
    ๐Ÿ™

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  2. 3:41, are those purple triangles acetylcholine?

    Can someone help me with this MCAT question?

    Which event is directly mediated by a ligand-gated ion channel?

    a.) Release of Ca2+ from the sarcoplasmic reticulum of a muscle fiber to initiate muscle contraction

    b.) Influx of Na+ across the axon membrane of a somatic neuron during action potential propagation

    c.) Influx of Na+ across the motor end plate resulting in the depolarization of the muscle fiber membrane

    d.) Re-entry of Ca2+ back into the sarcoplasmic reticulum of a muscle fiber to end muscle contraction

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