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Author Question: Active sites on the actin become available for binding after A) actin binds to troponin. B) ... (Read 45 times)

stock

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on: Feb 28, 2019
Active sites on the actin become available for binding after
 A) actin binds to troponin.
  B) troponin binds to tropomyosin.
  C) calcium binds to troponin.
  D) calcium binds to tropomyosin.
  E) myosin binds to troponin.

Question 2

Since each myofibril is attached at either end of the muscle fiber, when sarcomeres shorten, the muscle fiber
 A) lengthens.
  B) shortens.
  C) strengthens.
  D) weakens.
  E) pulls from the middle.


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vickyvicksss

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Reply #1 on: Feb 28, 2019
Answer to Question 1

C

Answer to Question 2

B


stock

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Reply 2 on: Feb 28, 2019
YES! Correct, THANKS for helping me on my review

coreycathey

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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