Which of the following statements best represents the relationships between the light reactions and the calvin cycle? a) the light reactions provide the calvin cycle with oxygen for electron flow, and the calvin cycle provides the light reactions with water to split. b) there is no relationship between the light reactions and the calvin cycle. c) the light reactions supply the calvin cycle with co_2 to produce sugars, and the calvin cycle supplies the light reactions with sugars to produce atp. d) the light reactions provide atp and nadph to the carbon fixation step of the calvin cycle, and the cycle provides water and electrons to the light reactions. e) the light reactions provide atp and nadph to the calvin cycle, and the cycle returns adp, p_i, and nadp^+ to the light reactions.

The light reactions provide ATP and NADPH to the Calvin cycle and the cycle returns ADP, Pi, and NADP + to the light reactions is the statement that best represents the relationships between both phases.

During the Calvin cycle, which takes place in the stoma of the chloroplasts, the plant uses carbon dioxide and takes advantage of the molecules generated during the light reactions (ATP and NADPH) to synthesize organic substances.

Therefore, we can conclude that the light reactions provide ATP and NADPH to the Calvin cycle and the cycle returns ADP, Pi, and NADP + to the light reactions is the statement that best represents the relationships between both phases.

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The correct answer is E the light reaction provide ATP and NADPH to the calvin cycle,and the cycle returns ADP,pi and NADP+ to the light reactions.

Explanation:

The light reaction of photosynthesis occur in the .During light reaction ATP is produced by cyclic photo phosphorylation and NADPH is generated by the reduction of NADP+ during Z scheme.

     The ATP and reducing equivalent NADPH that is generated during light reaction is being utilized in the dark reaction.

  During dark reaction both utilized ATP and NADPH are converted to ADP,pi and NADP+.These products are used during light reaction.

  NADP+ is generated by the oxidation of NADPH and ADP and pi are produced by the hydrolysis of ATP.

format change of dna.  

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