Figure 10.1 -Figure 10.1 Shows the Absorption Spectrum for Chlorophyll a and a and the Action

question 4

Multiple Choice

Figure 10.1
-Figure 10.1 shows the absorption spectrum for chlorophyll a and the action spectrum for photosynthesis. Why are they different?

• A) Green and yellow wavelengths inhibit the absorption of red and blue wavelengths.
• B) Bright sunlight destroys photosynthetic pigments.
• C) Oxygen given off during photosynthesis interferes with the absorption of light.
• D) Other pigments absorb light in addition to chlorophyll a.
• E) Aerobic bacteria take up oxygen, which changes the measurement of the rate of photosynthesis.

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