| A | B |
| cell membrane | a thin layer that surrounds the cell and keeps it together, and controls the substances passing into and out of the cell |
| cell wall | the stiff outer layer that protects a plant cell and gives it shape |
| cytoplasm | a watery, jelly like substance that fills a cell and contains the other cell parts |
| mitochondria | bean-shaped organelles that breaks down sugar to produce energy |
| chloroplast | a kind of organelle in plant cells that contains chlorophyll, which enables the plant to make its own food |
| vacuole | a storage space in a cell enclosed by a membrane |
| nucleus | the control center of the cell, which directs all the cell's activities, and contains the protons and neutrons |
| chromosome | a structure in the cell that provides instruction for all the activities and traits of the cell and the organism |
| nuclear membrane | a membrane that surrounds the nucleus and controls the materials passing into and out of it |
| DNA | a complex chemical that contains information about every part of an organism |