How Do Anoxygenic Phototrophs Benefit from Possessing Accessory Pigments That

question 48

Multiple Choice

How do anoxygenic phototrophs benefit from possessing accessory pigments that allow light to be harvested at deeper areas of a fluid environment?

• A) This allows even anaerobic microbes to conduct photosynthesis, as they can harvest light energy in the deeper areas where oxygen won't be present.
• B) The cells can utilize frequencies of light not typically utilized by the photosynthetic bacteria closer to the surface of the fluid.
• C) They don't have to compete with other cells that utilize oxygen in the upper levels for the scarce nutrients in the fluid environment.
• D) This allows even anaerobic microbes to conduct photosynthesis, as they can harvest light energy in the deeper areas where oxygen won't be present AND the cells can utilize frequencies of light not typically utilized by the photosynthetic bacteria closer to the surface of the fluid.
• E) This allows even anaerobic microbes to conduct photosynthesis, as they can harvest light energy in the deeper areas where oxygen won't be present AND they don't have to compete with other cells that utilize oxygen in the upper levels for the scarce nutrients in the fluid environment.

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