| A | B |
|---|
| LIGHT MICROSCOPE | uses light to produce a magnified image |
| ELECTRON MICROSCOPE | uses electrons to form a magnified image |
| MAGNIFICATION | when an image appears larger |
| RESOLUTION | measure of clarity of image |
| SCANNING TUNNELING MICROSCOPE | produces three-dimensional images of living organisms |
| CELL THEORY | all living things are made of cells |
| CELL MEMBRANE | regulates what enters and leaves a cell |
| RIBOSOME | structure on which proteins are made |
| PROKARYOTE | single-celled organism that lacks a nucleus |
| FLAGELLA | protrude from cell’s surface and enable movement |
| ORGANELLE | carries out specific activities |
| CILIA | hairlike structures |
| EUKARYOTE | organism whose cells each have a nucleus |
| NUCLEUS | houses the cell’s DNA |
| CYTOPLASM | interior of cell |
| CYTOSKELETON | keeps cell membrane from collapsing |
| PHOSPHOLIPID | has a polar “head” and nonpolar “tails” |
| LIPID BILAYER | double layer of phospholipids |
