| A | B |
|---|
| a system of folded membranes that functions as the internal delivery system of a cell | endoplasmic reticulum |
| an organelle that functions as the main power source of a cell, breaking down sugar to produce energy | mitochondrion |
| organelles in which photosynthesis takes place | chloroplasts |
| the organelle that packages and distributes proteins | Golgi complex |
| organelles that contain digestive enzymes | lysosomes |
| the most basic unit of all living things | cell |
| a single-celled organism that has no nucleus or membrane-bound organelles | prokaryote |
| prokaryotes that include such types as heat-loving, salt-loving, and methane-making | archaea |
