What Structural Features Are Important in the Light-Detecting Function of the Chromophore

question 28

Multiple Choice

What structural features are important in the light-detecting function of the chromophore 11-cis-retinal?

• A) It is a polyene with alternating single and double bonds forming an unsaturated electron network.
• B) It is easily ionized to carry a charge.
• C) It has several linked cyclic rings.
• D) It is very water soluble.
• E) It is highly colored.

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