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Unit One Cells
Study Guide
| Term | Definition |
|---|---|
| Cell Membrane | Regulates what comes in and out of the cell |
| Cytoplasm | A jelly-like material that is always moving and it helps other organelles |
| Nucleus | The control center fro the whole cell; contains DNA |
| Ribosome | Make protein |
| Vacuole | It's a storage place; water is held here |
| Lysosome | Gets rid of waste |
| ER (Rough and Smooth) | Transports molecules |
| Mitochondria | Power house of the cell; cell respiration occurs in here |
| Golgi Bodies | Sorts and processes proteins |
| Eukaryotes | Have no membrane bound organelles |
| Prokaryotes | Have membrane bound organelles |
| CTOSO | Levels of organization; cells,tissue,organs,organ sytem, and organisms |
| Cells | Are the basic unit of life EX: skin cells, blood cells, and muscle cells |
| Tissue | Group of cells that form tissue to work and perform a job EX: connective cells, nervous tissue, muscle, and epithelial tissue |
| Organs | Two or more tissues working together to perform a function EX: heart, stomach, brain, lungs, and bones |
| Organ System | A group of organs working together to perform a function EX: digestive system, respiratory system, and cardiovascular system |
| Organisms | Living things performing life processes by itself EX: human, dog, cat any thing that is living it is an organism |
| Osmosis | When water goes from an area of high concentration to an area of low concentration |
| Diffusion | The movement of particles of high concentration to low concentration |
| Passive Transport | When particles travel form and area of high concentration to an area of low concentration |
| Active Transport | When particles travel from an area of low concentration to an area of concentration to high concentration |
| Endocytosis | Occurs when a particles is too large to pass through the cell a vesicle is formed to pass it into the cell. |
| Exosytosis | The process to remove a large particle from the cell using a vesicle |
| Equilibrium | Equal on both sides of the membrane |
| Photosynthesis | Process by which producers use light energy to make glucose from carbon dioxide and water; oxygen is given off; occurs in the chloroplast EX: Water + Carbon dioxide+ Light Energy = Oxygen and Glucose |
| Cell Respiration | Occurs in consumers and producers where the mitochondria break down food to release stored energy; Gives off |
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srueff101704
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