Because Each Form of Iodopsin Is Most Sensitive to Light

question 319

Multiple Choice

Because each form of iodopsin is most sensitive to light in roughly the red, green, or blue region, the three types of cones fire nerve impulses at different rates to produce various color sensations, according to which theory of color vision?

• A)gate-control
• B)opponent-process
• C)primary stage
• D)trichromatic

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