Final answer:
Chloroplasts are green in color due to the presence of chlorophyll, a pigment responsible for photosynthesis.
Step-by-step explanation:
A chloroplast is a specialized organelle found in plant cells. It is responsible for photosynthesis, the process by which plants convert sunlight into energy. Chloroplasts contain a green pigment called chlorophyll, which gives them their characteristic green color. This pigment absorbs light energy and uses it to synthesize sugars and other organic compounds.
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