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Questions and Answers
What is the function of the outer segment of photoreceptors?
What is the function of the outer segment of photoreceptors?
- Transduction of light energy into a receptor potential (correct)
- Renewal of photoreceptor outer segments
- Contain the cell nucleus, Golgi complex, and many mitochondria
- Initiate the events that lead to the production of a receptor potential
What is the structural difference between the outer segments of rods and cones?
What is the structural difference between the outer segments of rods and cones?
- Cones have cylindrical or rod-shaped outer segments, while rods have tapered or cone-shaped outer segments
- Rods and cones both have cylindrical or rod-shaped outer segments
- Rods have cylindrical or rod-shaped outer segments, while cones have tapered or cone-shaped outer segments (correct)
- Rods and cones both have tapered or cone-shaped outer segments
Where does the first step in visual transduction occur?
Where does the first step in visual transduction occur?
- Inner segment
- Proximal end
- Synaptic terminals
- Outer segment (correct)
What is the role of photopigments in photoreceptors?
What is the role of photopigments in photoreceptors?
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How many types of photopigments are present in the retina?
How many types of photopigments are present in the retina?
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