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Light dependant reactions in photophosporilation can either be cyclic of non-cyclic. It all depends on the organism.

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How is light reaction of photosynthesis started?

Absorbtion of light by photosystems in cyclic and non-cyclic photophosphorylation.


What reaction in photosynthesis produces oxygen for the atmosphere?

Light-Dependant Reactions


Where doe the ATP come fom that is used during the light-independent reactions?

From light dependant reaction.


What are the end product's of light dependant reaction?

there are two products. those are NADPH and ATP.


When chlorophyll molecules asbosrb light?

It is in the light dependant reaction. Thew first step of the photosynthesis.


What is netgain light reaction?

The net gain in the light reaction of photosynthesis is the production of ATP and NADPH molecules, which are then used in the Calvin cycle to produce glucose. These molecules carry the energy captured from sunlight and convert it into chemical energy.


How does light enter the light dependant reaction?

Blue and red absorbed best. Green is not absorbed


What is the function of the light independent reaction?

Produces sugar specially G3P .. The light dependant produces ATP and NADPH for light independent reactions to produce sugar from CO2 and RuBP.


What reactions are referred to as light dependent reactions?

Cyclic and non-cyclic photophosphorylation.


Where does cyclic electron transport occur?

Cyclic electron transport occurs in the thylakoid membrane of chloroplasts during the light reactions of photosynthesis. It involves the flow of electrons through the photosynthetic electron transport chain to generate ATP without the production of NADPH.


What is the role of RuBp in Calvin cycle?

It is an enzyme that triggers the carboxylation (combining of carbon dioxide) of ribulose biphosphate in the stroma of chloroplasts in plants. This carboxylation is the first step of the light-dependant reaction that occurs in plants and this light-dependant reaction is the second stage of photosynthesis.


Does the hill reaction involve cyclic or non-cyclic phosphorylation?

It involves cyclic phosphorylation because electrons are continously recycled. The electrons lost by cholorphyll molecules are gained by DCPIP and vice versa. Thus, the hill reaction only involves cyclic phosphorylation, unless the electrons are lost to the surrounding environment.