How Did the Earliest Single Celled Microorganisms Produce Energy to Drive

question 17

Multiple Choice

How did the earliest single celled microorganisms produce energy to drive metabolic processes?

• A)Aerobic cellular respiration.
• B)Anaerobic cellular respiration.
• C)Sulfuric acid respiration.
• D)Both aerobic and anaerobic cellular respiration.
• E)Sulfuric acid,aerobic and anaerobic respiration.

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