proplastid
/proʊˈplæstɪd/
noun
- A small, undifferentiated organelle in a plant cell that can develop into various types of plastids, such as chloroplasts.
- Scientists study proplastids to understand how plants develop green leaves.
- In the dark, proplastids remain small and colorless until exposed to light.
- Each new plant cell inherits proplastids from its parent cell.