Multiple Choice
The circadian rhythm is reset by input from special ganglion cells in the retina. These ganglion cells are unusual in that they ____.
A) receive input from only cones, not rods
B) are located only in a doughnut-shaped band surrounding the fovea
C) respond directly to light, but respond very slowly
D) become active only at night or in very dim light
Correct Answer:

Verified
Correct Answer:
Verified
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