Which of the Following Conditions Would You Use to Enrich

question 21

Multiple Choice

Which of the following conditions would you use to enrich purple nonsulfur bacteria from lake sediments?

• A) anoxic media with a good light source
• B) mineral media with ammonia and oxygen in the dark
• C) anoxic mineral media with an organic acid and a good light source
• D) mineral media with nitrate and acetate in the dark

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