The chemical reactions of the light dependent process occur in the

Thylakoid membranes

Explanation:

Photosynthesis is the process by which green plants make their own food using energy from sunlight, water and carbon dioxide.Photosynthesis takes place in organelles called chloroplast found mainly  in the palisade mesophyll in the leaves of a green plants. The process occurs in two stages; light-dependent stage and light-independent stage.The light dependent stage occurs in the thylakoid membranes of the chloroplast, while the light-independent stage occurs in the stroma of the chloroplast.

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