When there is light, the rod membrane potential will hyperpolarize due to the exit of cations (potassium cations) through the channel.
<h3>What is membrane hyperpolarization?</h3>
The expression 'membrane hyperpolarization' makes reference to a membrane potential that becomes negative and thus this difference is used to trigger cell processes.
In this case, membrane hyperpolarization is produced due to the exit of potassium (K+) ions of the cell and thus increase the negative charge.
In conclusion, when there is light, the rod membrane potential will hyperpolarize due to the exit of cations (potassium cations) through the channel.
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