Multiple choice

Which one of the following is a photosynthetic bacteria?

  1. Rhodospirillum

  2. Rhodopila

  3. Rhodobacter

  4. All of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Rhodospirillum, Rhodopila, and Rhodobacter are all photosynthetic bacteria capable of anoxygenic photosynthesis using bacteriochlorophyll. These purple non-sulfur and purple sulfur bacteria use organic compounds or sulfur compounds as electron donors instead of water.

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