What is the name of the cell organelle that is shaped like a flattened disc, contains stroma and stacks of thylakoids, and is the site of photosynthesis? a. chloroplast b. mitochondrion c. vacuole d. ribosome
A chloroplast is the cell organelle shaped like a flattened disc. It contains stroma and stacks of thylakoids. It is present in the cells of green leaves of the plants. It is important in the process of photosynthesis because it contains pigment chlorophyll. Chlorophyll is important for photosynthetic biochemical reactions that take place in chloroplasts.