1.

    Which of the following is NOT associated with muscle contraction?

    A

    Release of calcium ions from the sarcoplasmic reticulum

    B

    Binding of calcium ions to troponin

    C

    Sliding of actin filaments over myosin filaments

    D

    Depolymerization of microtubules

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    8.

    The movement of flagella is primarily driven by:

    A

    Actin-myosin interaction

    B

    Dynein-mediated sliding of microtubules

    C

    Hydrostatic pressure changes

    D

    Calcium influx into the flagellar matrix

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    9.

    Which of the following is NOT a characteristic of ciliary movement?

    A

    Occurs in striated muscles

    B

    Creates a sweeping or beating motion

    C

    Found in the respiratory tract and fallopian tubes

    D

    Involves hair-like projections called cilia

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