Which organelle is responsible for carrying out photosynthesis in plant cells?

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Multiple Choice

Which organelle is responsible for carrying out photosynthesis in plant cells?

Explanation:
Photosynthesis is carried out by chloroplasts, the green organelles in plant cells that contain chlorophyll to capture light energy. Inside chloroplasts, light energy is used in the thylakoid membranes to generate ATP and NADPH, which then power the Calvin cycle in the stroma to fix carbon dioxide into sugars. This ability to convert light energy into chemical energy is what makes chloroplasts the site of photosynthesis. Mitochondria are the energy producers through cellular respiration, the nucleus houses genetic information and controls activities, and ribosomes synthesize proteins—none of these perform photosynthesis.

Photosynthesis is carried out by chloroplasts, the green organelles in plant cells that contain chlorophyll to capture light energy. Inside chloroplasts, light energy is used in the thylakoid membranes to generate ATP and NADPH, which then power the Calvin cycle in the stroma to fix carbon dioxide into sugars. This ability to convert light energy into chemical energy is what makes chloroplasts the site of photosynthesis. Mitochondria are the energy producers through cellular respiration, the nucleus houses genetic information and controls activities, and ribosomes synthesize proteins—none of these perform photosynthesis.

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