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Q. |
Regarding rods and cones: |
A. | Na+ channels are closed in the dark |
B. | light striking the outer segments results in a depolarising receptor potential |
C. | the receptor potentials are all-or-nothing |
D. | rhodopsin is a serpentine receptor |
E. | acetylcholine is released from the synaptic terminal |
Answer» C. the receptor potentials are all-or-nothing |
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