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Home Q & A Board Biology-Related Homework Help General Biology
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G.zepp G.zepp
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6 years ago
During contraction,
  a. cross-bridges of muscle filaments are broken and
  reformed.
  b. ATP is used to break cross-bridges.
  c. muscle cells use glucose derived from glycogen
  as an energy source.
  d. glycogen depletion may lead to muscle fatigue.
  e. all of these occur.

Question 2

Breaking actin-myosin bonds requires
  a. ATP.
  b. ADP.
  c. calcium.
  d. phosphorus.
  e. sodium.
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Ashestreen22Ashestreen22
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6 years ago
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G.zepp Author
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#2
6 years ago
Thank you for helping me throughout this difficult semester
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