How do atp and nadph connect light-dependent and light-independent reactions in photosynthesis?

atp and nadph are produced in both reactions.

atp and nadph are used in both reactions.

atp and nadph are produced in the light-dependent reactions and used in the light-independent reactions.

atp and nadph are produced in the light-independent reactions and used in the light-dependent reactions.

The correct answer is -

ATP and NADPH are produced in the light-dependent reactions and used in the light-independent reactions.

Explanation:

Light dependent and light independent phase are the two different phases of photosynthesis (formation of food in green plants and algae).

During the first phase (light independent phase) , energy from sunlight is captured in presence of CO2 (carbon dioxide) and water and it is transformed into chemical energy in the form of ATP and NADPH.

Energy from these products is further used in the light independent phase for the formation of food ( glucose).

Thus, third option is the right answer.

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