Multiple Choice
Refer to the figure, which shows the light absorption of a green alga and purple sulfur bacteria. 
What can be concluded from these spectroscopy data?
A) Purple sulfur bacteria use nitrogen as an electron acceptor.
B) Purple sulfur bacteria are able to grow under layers of the green alga.
C) The algae are entirely dependent on purple sulfur bacteria.
D) Bacteria do not contain bacteriochlorophyll.
E) Purple sulfur bacteria photosynthesize only in cloudy weather.
Correct Answer:
Verified
Correct Answer:
Verified
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