Biology chp 3-4
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Biology chp 3-4 - Details
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30 questions
| 🇬🇧 | 🇬🇧 |
| Unifying principle of biology | Cell theory |
| A microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles. | Prokaryote (encompasses bacteria) |
| Composed of cytosol and organelles | Cytoplasm |
| Selectively permeable barrier that removes waste, communicates with enviroment, anchors cell in place | Plasma membrane |
| Enable transport (nutrients, waste), communication with external environment, and attachment to extracellular matrix ( | Membrane proteins |
| The nucleus is bound by a double plasma membrane called | Nuclear envelope |
| Interconnected network of tubes and flattened sacs that produces certain lipids and proteins | Endoplasmic reticulum |
| Produce lipids for other cellular compartments and help break down toxic organic compounds in the cell. | Enzymes of the smooth ER |
| Produce lipids for other cellular compartments and help break down toxic organic compounds in the cell. | Transport vesicle |
| Act much like lysosomes to break down macromolecules. | Plant vacuoles |
| Ropelike cables of protein that provide mechanical reinforcement to the cel | Intermediate filaments |
| Thin, flexible proteins that create cell shape and generate crawling movements in some cells. | Microfilaments |
| Movement of a substance in response to an input of energy | Active transport |