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mcranfield mcranfield
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6 years ago
Ca2+ enters the cell when an action potential is generated. Diffusion and electrostatic pressures push Ca2+ into the cell. Ca2+ channels are:
 
  a. passive.
  b. chemically-gated.
  c. voltage-gated.
  d. chemically-gated and voltage-gated.
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LittleMarcLittleMarc
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6 years ago
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mcranfield Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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Yesterday
You make an excellent tutor!
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2 hours ago
Thanks
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