Muscle Contraction causes shortening of all of the zones/bands except for? A) Z line B) A- line C) I-zone D) H band
Added by Sena J.
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The sarcomere is made up of several key components, including the Z line, A band, I zone, and H band. Each of these plays a specific role in muscle contraction. Show more…
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During muscular contraction, which of the following events occur? (i) $\mathrm{H}$-zone disappears (ii) A band widens (iii) I band reduces in width (iv) Width of $\mathrm{A}$ band is unaffected (v) $\mathrm{M}$ line and $Z$ line come closer. (a) (i), (iii), (iv) and (v) (b) (i), (ii) and (v) (c) (ii), (iv) and (v) (d) (i), (ii) and (iii)
Which of the following statements does not accurately describe muscle contraction? a. During muscle contraction, the sarcomere shortens. b. During muscle contraction, the thick and thin filaments shorten. c. During muscle contraction, the H zone shortens. d. During muscle contraction, the A band does not shorten.
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