Which receptor cells most directly enable us to distinguish different wavelengths of light?
Correct answer: B. cones
- A. rods
- B. cones
- C. bipolar cells
- D. feature detectors
Explanation
Cones are the retinal receptor cells responsible for colour vision, allowing discrimination among different wavelengths of light. Rods mainly support dim-light vision, while bipolar cells relay signals and feature detectors are neural mechanisms rather than receptor cells.
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