Refer to the Figure, Which Shows the Light Absorption of a Green

question 143

Multiple Choice

Refer to the figure, which shows the light absorption of a green alga and purple sulfur bacteria. Based on the figure, which statement about the organisms or their chlorophyll is true?

• A) The chlorophyll found in purple sulfur bacteria absorbs light maximally at approximately 450 nm and 675 nm.
• B) The chlorophyll found in purple sulfur bacteria absorbs light at the same wavelengths as that in the green alga.
• C) Purple sulfur bacteria can absorb light at wavelengths not absorbed by green algae.
• D) Maximum absorption of light in purple sulfur bacteria is the same as it is in green algae.
• E) The chlorophyll found in the green alga absorbs light at approximately 375 nm and 875 nm.

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