In the chloroplasts of plant cells, the absorption of light energy and the movement of electrons along an electron transport chain occur in the , and the synthesis of carbohydrates takes place in the . inner membrane; stroma thylakoids; stroma thylakoids; matrix inner membrane; cytoplasm inner membrane; matrix

thylakoids; stroma

Explanation:

Plants are unique set of organisms called autotrophs because of their ability to synthesize their own food (organic molecules) in the Chloroplast of their cells. This process is called PHOTOSYNTHESIS. They carry out this process of photosynthesis in two stages: light dependent stage and light-independent stage.

The light dependent stage or simply light stage involves absorption of light energy (from sun) by Chlorophyll pigments in the THYLAKOID membrane of the CHLOROPLAST to produce ATP (energy carrier) and NADPH (electron carrier) needed for the next stage.

The light independent stage also called Calvin cycle occurs in the matrix of the CHLOROPLAST called STROMA. In this stage that occurs without light, ATP and NADPH are used as energy and electron source respectively to fix CO2 (carbondioxide) in order to produce GLUCOSE (carbohydrate).

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