Some photosynthetic organisms contain chloroplasts that lack photosystem II, yet are able to survive. The best way to detect the lack of photosystem II in these organisms would beto test for liberation of O2 in the light. (T/F)

Photosystem II is a protein complex that is located in the thylakoid membrane of plants with a significant role in light-dependent reactions of photosynthesis.

Photons of sunlight are absorbed by photosystem II and electrons within the system consequently become excited. As a result, electrons are replaced by the water, and hydrogen ions and molecular oxygen are formed.

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luisvaschetto luisvaschetto · Answer 2 · 2021-10-24T22:57:53+02:00

The statement 'the best way to detect the lack of photosystem II in these organisms would be to test for the liberation of O2 in the light' is TRUE.

Photosynthesis has two types of reactions: initial light-dependent reactions and late light-independent reactions.

The photosystem II (PSII) is the first protein complex responsible for the initial light-dependent reactions.

This photosystem captures sunlight to catalyze the generation of an electrochemical transmembrane proton (H+) gradient, which is subsequently used to synthesize ATP.

Photosystem II produces molecular oxygen (O2) by oxidizing two molecules of water (H2O) into one molecule of oxygen.

In conclusion, the statement 'the best way to detect the lack of photosystem II in these organisms would be to test for the liberation of O2 in the light' is TRUE.

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