In higher plants,the hydrogen donor is ...... | vedclass

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(A) In higher plants,photosynthesis involves the photolysis of water $(H_2O)$,which acts as the hydrogen donor to reduce $CO_2$ into carbohydrates,rel

Vedclass · Accepted Answer

$H_2O, H_2S$

Vedclass · Answer

(A) In higher plants,photosynthesis involves the photolysis of water $(H_2O)$,which acts as the hydrogen donor to reduce $CO_2$ into carbohydrates,releasing oxygen as a byproduct.In contrast,purple and green sulfur bacteria do not use water as a hydrogen donor. Instead,they use hydrogen sulfide $(H_2S)$ as the hydrogen donor,which results in the release of sulfur or sulfate instead of oxygen.

In higher plants,the hydrogen donor is $.........$ and for purple and green sulfur bacteria,the hydrogen donor is $............$.

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