What did Alan Hodgkin and Andrew Huxley conclude from their squid axon experiments? A) The passage of Na⁺ ions into a neuron and K⁺ ions out of a neuron results in an action potential. B) The passage of K⁺ ions into a neuron and Na⁺ ions out of a neuron results in an action potential. C) The passage of K⁺ ions into a neuron and Ca⁺ ions out of a neuron results in an action potential. D) The passage of Cl^- ions into a neuron and K⁺ ions out of a neuron results in an action potential. E) The passage of Cl^- ions into a neuron and Ca⁺ ions out of a neuron results in an action potential.

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Hodgkin and Huxley discovered that the influx of Na⁺ ions and the efflux of K⁺ ions are crucial for generating an action potential in neurons.

What Did Alan Hodgkin and Andrew Huxley Conclude from Their