試題詳解

10. Which of following statements is false?
(A) Ionophores can destroy the electrochemical gradients in the living cells.
(B) The Na⁺ -K ⁺ pump acts in all cells to maintain lower concentrations of K⁺ inside and Na⁺ outside.
(C) Tetrodotoxin is found in some organs of the puffer fish and has a good affinity and inhibitor for sodium channel.
(D) Cobratoxin and -bungarotoxin have high affinity with acetylcholine receptor.
(E) Acetylcholine binds to its receptor in the postsynaptic membrane opens Na+ channel and depolarization the postsynaptic membrane, generating a new action potential.