| A | B |
| Prokaryote | Organism whose cells DO NOT contain a nucleus |
| Eukaryote | Organism whose cells do contain a nucleus |
| Multicellular | Organism with more than one cell |
| Unicellular | Organism made up of onlyone cell |
| Cell Theory | Theory that states 1) All cells come from other cells 2) All living things are made of cells 3) Cells are the basic unit of structure and function in all living things |
| Chromosomes | Contain DNA found in nucleus |
| Mitochondria | "Powerhouse" of cell, produces energy |
| Chloroplasts | Found in plant cell, site of photosynthesis |
| Cell Wall | Rigid, outer layer that provides structure and protections fro plant cell |
| Endoplasmic Reticulum | Tranports materials throughout cell |
| Nucleus | Controls the cells activites, "brain" of cell |
| Ribosomes | Produce protien |
| Cell Membrane | Selectively permeable membrane, "gatekeeper" |
| Nuclear Membrane | Selectively permeable membrane surrounding the neucleus |
| Mitosis | Cell Division |
| PMAT | The four stages of mitosis |
| Diffusion | Process where molecules cross cell membrane by moving from high concentration to low concentration |
| Osmosis | Diffusion of water |
| Active Transport | Transport that requires the use of energy |
| Passive Transport | Transport that DOES NOT require energy |
| Vacuole | Storage area of a cell, usually larger in plant cells |
| Cytoplasm | Jelly-like substance that surrounds all organelles in the cell |
| Robert Hooke | First person to see cells when look at cork |
| Homeostasis | Maintenence of stable internal conditions despite changes in surroundings |
| Heterotrophs | Organisms that cannot make their own food |
| Autotrophs | Organisms that can make their own food |
| Needs of Living Things | Energy, Water, Living Space, Stable Internal Conditions |
| Spontaneous Generation | Mistaken idea that living things arise from non-living things |
| Loius Pasteur and Francesco Redi | Scientists that disproved spontaneous generation |