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Home Q & A Board Biology-Related Homework Help General Biology
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skyleton skyleton
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6 years ago
Calcium promotes sarcomere contraction by binding
  to __________ thus __________.
  a. myosin; activating it
  b. actin; activating it
  c. tropomyosin; causing troponin to move
  d. troponin; causing tropomyosin to move
  e. myosin; changing its shape

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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destiny_remydestiny_remy
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6 years ago
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skyleton Author
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6 years ago
Thanks for your help!!
julymontalvo
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Yesterday
Correct Slight Smile TY
Katey_maree
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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