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23 Cards in this Set
- Front
- Back
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Anton Leeuwenhoek
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first person to see tiny living things in a drop of water
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Robert hooke
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named the cell by looking at a cork
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3 concepts that make up the cell theory
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1. All things are composed of cells
2.basic unit of structure and funtions in living things 3. New cells produced by old ones |
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Prokaryotes
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Cell membrane, cytoplasm, smaller (less organelles), no nucleus
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Eukaryotes
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cell membrane, cytoplasm, bigger (organelles), nucleus
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plant cells
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vacuole, chloroplasts, cell wall, nucleus,RER, Ribosomes,SER, Cell Membrane,golgi, Mitochondria, Nucleolus
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Animal cells
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lysosomes,centrioles,nucleus,RER, Ribosomes,SER, Cell Membrane,golgi, Mitochondria, Nucleolus
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how are facilitated diffusion and active transport alike?
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They both use Proteins in the cell membrane.
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what facilitated diffusion (difference from active transport)
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it goes from high to low, uses concentration gradient, no energy used...... one example is glucose
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what is active transport (difference from facilitated diffusion)
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it goes from low to high and uses energy.....one example is sodium
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what is osmotic pressure?
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the pressure exerted by osmosis on the hypertone side of a selectively permeable membrane
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what is hypertonic?
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when substance goes outside the cell
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what is isotonic?
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it is equal
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what is hyptonic?
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thing going in cell
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ribosome
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produces protein under the nucleus's instruction
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golgi
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carries stuff, attach carbs and lipids to protein
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mitochondrion
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makes high energy from food
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vacuole
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sac like thing that holds stuff
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Rough E.R.
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an internal membrane system in which components of cell membrane and some proteins are constructed
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endocytosis
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material INTO a cell
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phagocytosis
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cells eating bacteria, dying organelles, cell infected with viruses
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pinocytosis
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cell drinking
ex- muscle cells taking in proteins |
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exocytosis
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materials outside a cell
ex- insulin released from the pancreas cells |
