Final answer:
The organelle that is the site of photosynthesis is the chloroplast.
Step-by-step explanation:
The organelle that is the site of photosynthesis is the chloroplast. Chloroplasts are found in plant cells and some protists, and they contain a pigment called chlorophyll that is responsible for capturing light energy from the sun and converting it into chemical energy through the process of photosynthesis.
Learn more about organelles involved in photosynthesis