The following are not animal poisons A: Tetrodotoxin B: Boao element C: Toad toxin D: Nux vomica
The following are not animal poisons A: Tetrodotoxin B: Boao element C: Toad toxin D: Nux vomica
Which one is not classified as the animal poison? A: Cantharidin B: Tetrodotoxin C: Aconitum D: Toad toxin
Which one is not classified as the animal poison? A: Cantharidin B: Tetrodotoxin C: Aconitum D: Toad toxin
At present, the largest natural product separated by people is A: Maitotoxin B: Tetrodotoxin,TTX C: Strychnine D: Imatinib
At present, the largest natural product separated by people is A: Maitotoxin B: Tetrodotoxin,TTX C: Strychnine D: Imatinib
下列（）为具有抗病毒作用的海洋物质。 A: avarol B: vidarabine C: ara-A D: avarone E: tetrodotoxin
下列（）为具有抗病毒作用的海洋物质。 A: avarol B: vidarabine C: ara-A D: avarone E: tetrodotoxin
下列（）为具有抗病毒作用的海洋物质。 A: A avarol B: B vidarabine C: C ara-A D: D avarone E: E tetrodotoxin
下列（）为具有抗病毒作用的海洋物质。 A: A avarol B: B vidarabine C: C ara-A D: D avarone E: E tetrodotoxin
Which one of the following is not the characteristic of cardiacNa+ Channels? A: very fast opening B: responsible for initiating and propagating the action potential in fast response cells C: threshold potential is –40mV D: not Tetrodotoxin sensitive
Which one of the following is not the characteristic of cardiacNa+ Channels? A: very fast opening B: responsible for initiating and propagating the action potential in fast response cells C: threshold potential is –40mV D: not Tetrodotoxin sensitive
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