Question

Reactions that require CO2 take place in _____.

Answer 1

Reactions that require carbon dioxide take place in the calvin cycle alone

Answer: Option D

Explanation:

Calvin cycle is an important cycle that plays a major role in the synthesis of starch through the photosynthesis. Calvin takes place as a part of the dark reaction in the stroma.

It is the calvin cycle that requires carbon dioxide. It uses the ATP that are produced by the light reaction that takes place in the thylakoid with the help of chlorophyll that traps the sunlight.