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Life Science: Cells
Vocabulary for Cells and Microorganisms
| Term | Definition |
|---|---|
| microscope | a tool that makes tiny objects appear much larger |
| cell membrane | a covering that surrounds and protects the cell |
| cytoplasm | thick fluid inside the cell membrane |
| nucleus | the control center of the cell |
| organelle | a small structure that does a certain job in a cell |
| cell wall | a stiff covering outside the cell membrane |
| chloroplast | use light energy from the sun to make food for the plant cell |
| microorganism | living things that are too small to be seen without a microscope |
| bacteria | single-celled organism that does not have a nucleus |
| antibiotic | medicine that cures diseases caused by bacteria |