Light Reactions Video Lessons

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Problem: The rate of photosynthesis is especially high when chloroplasts are exposed to two wavelengths of light, 680 nm and 700 nm. This is because these are the wavelengths of lighta. picked up by the two accessory pigments.b. that excite the special chlorophyll in the two separate photosystems.c. that represent the two peaks of excitation (blue and red) of chlorophylld. that excite chlorophyll a and chlorophyll b, respectively

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Problem Details

The rate of photosynthesis is especially high when chloroplasts are exposed to two wavelengths of light, 680 nm and 700 nm. This is because these are the wavelengths of light

a. picked up by the two accessory pigments.

b. that excite the special chlorophyll in the two separate photosystems.

c. that represent the two peaks of excitation (blue and red) of chlorophyll

d. that excite chlorophyll a and chlorophyll b, respectively

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