| A | B |
|---|
| active transport | requires energy |
| passive transport | requires no added energy |
| capsule | slimy layer surrounds and protects some bacteria from harm. |
| cell membrane | surrounds all cells and regulates what comes in and what goes out. |
| cell wall | additional rigid protection around bacteria, algae, fungi, and plant cells |
| chromosomes | DNA is organized into one or more of these. |
| cytoplasm | inside of a cell, including the organelles and their jellylike surrounding. |
| ribosomes | builds and puts proteins together in a cell |
| DNA | contains important information for making proteins and regulates cellular processes. |
| flagellum | a whip-like propeller |
| osmosis | passive transport moving water across a membrane |
| diffusion | passive transport moving molecules across a membrane |
| chlorophyll | green pigment absorbing energy from the sun |
| ATP | chemical energy produced in cytoplasm during cellular respiration |
| aerobic processes | requires the presence of oxygen |
| anaerobic processes | does not require the presence of oxygen |
| plants | uses photosynthesis and cellular respiration |
| animals | cellular respiration only |
| tissues | group of similar cells that look alike and perform one job |
| Eukaryotic | cells with a nucleus |
| Prokaryotic | cells without a nucleus |
