Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
Plastids are major double-membrane organelles found within the cells of plants and algae. They are responsible for manufacturing and storing food including sugars created during photosynthesis (chloroplasts).