| A | B |
| Cytosol | The "liquid" portion of the cell. |
| Cytoplasm | Cytosol plus cellular organelles |
| Another term for cell membrane: | Plasma Membrane |
| Cellular Adhesion Molecule | Determines a cells interactions with other cells. |
| Cytoskeleton | Rods and tubules within cells. |
| Rough Endoplasmic Reticulum | Associated with ribosomes. |
| Smooth Endoplasmic Reticulum | Important in lipid synthesis. |
| Ribosomes | Site for protein synthesis. |
| Osmosis | The diffusion of water. |
| Diffusion | Movement of a substance from a higher concentration to a lower concentration. |
| Nucleolus | Composed largely of RNA. Also the site for Ribosome formation. |
| Vesicle | A membraneous sac within the cytoplasm. |
| Active Transport | Substances move from a lower concentration to a higher concentration. |
| Passive Transport | Substances move from a higher concentration to a lower concentration. |
| Hypertonic Solutions | Cells will shrink. |
| Hypotonic Solutions | Cells will swell. |
| Isotonic Solutions | Same osmotic pressure inside and outside of cells. |
| Filtration | Using pressure to force molecules through membranes. |
| Pinocytosis | Cell Drinking |
| Phagocytosis | Cell Eating |
| Receptor Mediated Endocytosis | Movement of ligands into cells by attaching them to specific membrane receptors. |
| S Phase | When DNA replicates. |
| G Phases | When cellular organelles replicate. |
| Apoptosis | Timed cell death. |
| Prophase | Appearance of chromosomes; nuclear membrane dissolves. |
| Metaphase | Chromosomes line up on the "equator" of the cell. |
| Anaphase | Chromosomes begin to move toward centrioles. |
| Telophase | Chromosomes begin to relax back to chromatin; Nucelar membrane begins to form. |
| Spindle Fibers | Microtubules formed in dividing cells. |
| Differentiation | Process by which specific genes control what the structure and function of a cell will be. |
| Cytokinesis | Formation of a cell membrane between dividing cells. |
| Chromatid | A duplicate chromosome formed during mitosis. |
| Mitochondria | The "Power Houses" of the cell. |
| Golgi Apparatus | Packages protein molecules for transport and secretion. |
| Lysosome | Contains digestive enzymes. |
| Centrosome | Area of the cell where the centrioles are located. |
| Peroxisomes | Contain enzymes that catalyze various cellular reactions. |
| Composed of a biphospholipid layer. | Cell membrane. |
| Equilibrium | Evenly distributed concentrations of molecules. |
| Carrier Proteins | Contains specific binding sites for molecules to be actively transported across cell membranes. |