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| Cells are the structural building blocks of all organisms. Cells are only produced from existing cells. Cells are the smallest structural unit that preforms vital functions. |
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Definition
| Thin, composed of phospholipids, proteins, glycolipids, and cholesterol, has a phospholipid bilayer. |
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Definition
| Separates intracellular fluid from extracellular fluid, controls entry and exit of substances, and gives tissue a stable structure. |
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| Types of passive transport (4) |
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Definition
| Diffusion, osmosis, filtration, and facilitated diffusion. |
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| Types of Active Transport (2) |
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Definition
| Endocytosis and Exocytosis |
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Definition
| Movement from high concentration to low concentration. |
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| Solutes move across membrane with water. |
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| Special Carrier proteins transport large molecules. |
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| Pinocytosis, phagocytosis, and receptor-mediated endocytosis. |
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Definition
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| Receptor-mediated endocytosis |
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Definition
| specific molecules are brought into the cell, |
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| Materials transported out of the cell. |
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Definition
| Intracellular fluid. HIgh in potassium and proteins, amino acids and lipids, low in carbohydrates. |
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| Intercellular Attachments |
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Definition
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| Tight junction (zonula occludens) |
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Definition
| Block passage of water and other substances between cells. |
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Definition
| Occurs as a sheet between cells. |
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| strong, resist stretching and twisting. |
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Definition
| Allows for passage of small molecules. |
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Definition
| Microfilaments, microtubules, intermediate filaments, and thick filaments |
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Definition
| Gives cell strength and flexibility. |
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| MIcrovilli (Structure and function) |
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Definition
| Finger like projections on cell membranes. Increase surface area and involved in absorption. |
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| Centriole, Cilia, and Flagellum (structure) |
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Definition
| Made of microtubules. Cilia have a 9+2 arrangement. |
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Definition
| Important for cell division. |
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Definition
| Move secretions or fluid. |
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Definition
| Small dense granules, contain mainly RNA. |
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Definition
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Definition
| Double membrane and inner folds (cristae) |
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Definition
| Determines structural and functional characteristics. |
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| Endoplasmic Reticulum (structure and function) |
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Definition
| Intracellular membranes. Synthesize carbs, lipids, and proteins. Stores molecules, and transports. |
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Term
| Golgi Apparatus (structure and function) |
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Definition
| Membranous plates. Synthesizes and packages secretions. |
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Term
| Lysosomes (structure and function) |
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Definition
| Vesicles in Golgi Apparatus. Removes bacteria. |
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