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kitty kitty
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6 years ago
Stan, an aging Hollywood actor, uses Botox treatments to reduce wrinkling. These treatments work, because Botox
 
  a. blocks nicotinic receptors on muscle fibers, reducing their rate of contraction.
 b. breaks down acetylcholinesterase (AChE) in the synaptic gap, leading to stronger contraction of facial muscles.
  c. reduces the release of acetylcholine (ACh) and which paralyzes facial muscles.
 d. increases the release of acetylcholine (ACh) and the subsequent contraction of facial muscles.
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tdclarktdclark
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6 years ago
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wrote...
3 years ago
thanks cool!
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