The following steps occur in rods when they are excited by photons of light
1. Ganglia cells detect changes in bipolar cell activity.
2. Neurotransmitter release changes.
3. Retinal changes to a more linear form.
4. Rhodopsin breaks down (bleaches).
5. Opsin changes the membrane permeability of the outer segment to Na+.
6. Opsin activation occurs.
What is the proper sequence for these steps?
A) 1, 6, 5, 2, 4, 3
B) 3, 6, 5, 2, 1, 4
C) 6, 3, 5, 2, 1, 4
D) 3, 6, 5, 1, 2, 4
E) 1, 3, 4, 5, 6, 2
Answer: B
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