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Question

What is the difference between the oxygenic and inoxygenic photosynthesis?

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Solution

Difference Between Oxygenic and Anoxygenic Photosynthesis Definition

Oxygenic Photosynthesis: Oxygenic photosynthesis refers to the photosynthesis that occurs in plants, algae, and cyanobacteria in which the final electron acceptor is water.

Anoxygenic
Photosynthesis: Anoxygenic photosynthesis refers to a form of photosynthesis used by certain bacteria, in which oxygen is not produced.

Occurrence

Oxygenic Photosynthesis: Oxygenic photosynthesis occurs in plants, algae, and cyanobacteria.

Anoxygenic Photosynthesis:Anoxygenic photosynthesis occurs in the green sulfur and nonsulfur bacteria, purple bacteria, heliobacteria and acidobacteria.

Photosystems

Oxygenic Photosynthesis: Both photosystem I and II are used in the oxygenic photosynthesis.

Anoxygenic Photosynthesis: Only photosystem I is used in the anoxygenic photosynthesis.

Electron Source

Oxygenic Photosynthesis: H2O is the electron source of the oxygenic photosynthesis.

Anoxygenic Photosynthesis: Hydrogen, hydrogen sulfide or ferrous ions serves as the electron donor in anoxygenic photosynthesis.

Oxygen

Oxygenic Photosynthesis: Oxygen is produced during the light reaction in oxygenic photosynthesis.

Anoxygenic Photosynthesis: Oxygen is not produced during the light reaction in anoxygenic photosynthesis.


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