lbfinanc lbfinanc
  • 03-06-2017
  • Biology
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Two muscles are required to move a bone. What happens inside muscles when they contract?

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pandaok
pandaok pandaok
  • 03-06-2017
myosin heads attach to and move along actin-binding sites
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Аноним Аноним
  • 03-06-2017
it goes smaller when it contracts
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