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Home Q & A Board Biology-Related Homework Help General Biology
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jina jina
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6 years ago
The structure indicated by the letter B above
  represents
  a. actin.
  b. myofibril.
  c. myosin.
  d. sarcoplasmic reticulum.
  e. muscle fiber

Question 2

When a sarcomere is at rest, the myosin
  binding sites on actin are blocked by
  a. calcium.
  b. troponin.
  c. tropomyosin.
  d. the myosin heads.
  e. ADP.
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marcusb213marcusb213
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6 years ago
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jina Author
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#2
6 years ago
I sincerely appreciate your time, great answers!
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#3
6 years ago
Thank you for commenting back, let us know if you need anything else pertaining to this...
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