Plastid
Plastids are double-membrane organelles found in the cells of plants and algae. They are responsible for various cellular processes such as photosynthesis, storage of pigments, and synthesis of lipids and starch. Plastids can differentiate into different types, including chloroplasts, chromoplasts, and leucoplasts, depending on their function within the cell. Chloroplasts, the most well-known type of plastid, contain chlorophyll and are crucial for capturing light energy to produce sugars through photosynthesis. Chromoplasts, on the other hand, store pigments that give fruits and flowers their vibrant colors. Leucoplasts are involved in the storage of starch, oils, and proteins. Overall, plastids play a vital role in the metabolism and growth of plant cells.