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Answer:

The processes of light-dependent and light-independent reactions helps the cell conserve energy and matter because the outputs of one reaction are used as the inputs of the other reaction. For example, ATP and NADPH are outputs by the light-dependent reactions. When these two energy-carrying molecules are inputs for the light-independent reactions, they are converted to ADP and NADP+ and the released energy is used to produce sugar.

Explanation:

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The manner in which processes of light-dependent and light-independent reactions helps the cell to conserve both energy and matter is that: the outputs of one reaction are used as the inputs of the other reaction.

Photosynthesis can be defined as a biological and chemical process through which living organisms such as green plants (autotrophs), transform light energy (sunlight) into stored chemical energy.

Generally, there are (2) main reactions that make up the process of photosynthesis and these include:

I. Light-dependent reactions.

II. Light-independent reactions.

The necessary inputs that are required for photosynthesis to take place are:

  • Water ([tex]H_2O[/tex])
  • Sunlight (light energy).
  • Carbon dioxide ([tex]CO_2[/tex]).

Consequently, the outputs (end products) of photosynthesis include the follow:

  • NADPH.
  • ATP.
  • Oxygen.

In living cells, both energy and matter are conserved through processes of light-dependent and light-independent reactions because the outputs of one reaction are used as the inputs of the other reaction.

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