In bacterial photosynthesis,the hydrogen dono | vedclass

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(A) In bacterial photosynthesis,such as in purple and green sulfur bacteria,$H_2S$ (hydrogen sulfide) acts as the hydrogen donor instead of $H_2O$. Th

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$H_2S$

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(A) In bacterial photosynthesis,such as in purple and green sulfur bacteria,$H_2S$ (hydrogen sulfide) acts as the hydrogen donor instead of $H_2O$. The general reaction is: $CO_2 + 2H_2S \xrightarrow{	ext{Light}} (CH_2O) + 2S + H_2O + 	ext{Energy}$. Unlike oxygenic photosynthesis in plants where $H_2O$ is the donor and $O_2$ is released,bacterial photosynthesis is anoxygenic and releases sulfur $(S)$ as a byproduct.

In bacterial photosynthesis,the hydrogen donor is:

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