10 pts D | Question 5 A toxin that binds specifically to voltage-gated sodium ch

Question

10 pts D | Question 5 A toxin that binds specifically to voltage-gated sodium channels in axons would be expected to O prevent the hyperpolarization phase of the action potential. O prevent the depolarization phase of the action potential. O prevent graded potentials. O increase the release of neurotransmitter molecules. O have most of its effects on the dendritic region of a neuron. D | Question 6 10 pts Which of the following comparisons between rods and cones is false? O Most human eyes have one type of rod and three types of cones O Rods are more sensitive to dim light than cones are O Nocturnal animals have fewer rods than diurnal animals Both rods and cones use retinal and opsins to detect light

Explanation / Answer

1. prevent depolarization phase of the action potential

2. Nocturnal animals have fewer rods than diurnal animals.

3. they fire more frequent action potential.

4. Transduction, Transmission, selection, Interpretation

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