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Eddi Din [679]
2 years ago
8

Which statement describes the light reaction of photosynthesis?

Biology
1 answer:
konstantin123 [22]2 years ago
5 0

Answer:Water molecules are split apart.

Explanation: In the light dependent reactions of photosynthesis, sunlight provides the energy for splitting of water into its components: hydrogen and oxygen. This reaction is known as the photolysis of water. The oxygen is evolved as a byproduct. In this light dependent reactions, the light energy absorbed is used for the splitting of water molecules and it is also conserved as ATP and NADPH which are used to drive the carbon fixation reactions of photosynthesis.

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Unicellular prokaryotes that live in dust: Eubacteria

Unicellular eukaryotes that line in pond water: Protista  

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Prokaryotic organisms can be classified into two groups: Eubacteria and Archaebacteria. Eubacteria (i.e.,“true” bacteria) are unicellular prokaryotic microorganisms that live in normal environmental conditions. On the other hand, Archaea (Archaebacteria) are prokaryotic older organisms that thrive in extreme conditions (in this case, volcanic ash). Moreover, eukaryotic organisms can be classified into four kingdoms: Protista, Plantae, Fungi and Animalia. Protista are unicellular eukaryotes that live in different aquatic environments (i.e., oceans, ponds, streams, etc). Animals are multicellular, mobile, heterotrophic (i.e., organisms that cannot produce its own food) organisms whose cells lack walls. Fungi are heterotrophic organisms that acquire their food by absorbing dissolved organic compounds, whose cells have cell walls (but they lack chloroplasts). Finally, plants are multicellular autotrophic (i.e., organisms that produce their own food) organisms whose cells contain walls and chloroplasts (to produce food by photosynthesis).

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