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18 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Controlled Experiment parts
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1.controlled group
2.variables 3.experimental group |
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control group
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part of an experiment for which the independent variable is not changed. Control groups are under "normal" conditions and are used for conpatisons.
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graduated cylinder is used ..
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to measure volume of a liquid
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thermometer
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to measure the temperature of an object
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meter stick
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to measure the length of an object
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density
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mass/volume
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plant cell
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a.chloroplast
b.large vacuole c.cell wall d.nucleus e.golgi complex f.mitochondria g.lysosome h.endoplasmic reticulum I.cell membrane j.ribosome |
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animal cell
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1.nucleus
2.golgi complex 3.mitochondrian 4.lysosome 5.endoplasmic reticulum 6.cell membrane 7.ribosome |
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cell theory
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1.the cell is the basic unit of life
2.all living things are composed of one or more cells 3.all cells come from preexisting cells |
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What is a cell?
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a membrane covered structure that has all of the necessary for life.athey can be specialized to perform specific functions.
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Nucleus
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houses the cells DNA- controls everything the cell does and contains the DNA
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(grows , divides, regulates what goes in and out of the cell....)
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mitochondria
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an organelle that converts glucose into energy for the cell
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Chloroplast
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an organelle that takes energy from the sun and converts it into chemical energy (glucose) for a plant.
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cell membrane
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The thin layer of protein and fat that surrounds the cell and allows some substances to pass into the cell and blocking others
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cell wall
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a structure made of cellulose that surrounds the cell membrane of some cells and provides strength and support to the cell membrane.
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cytoplasm
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jelly-like fluid inside the cell that holds and protects the cells organelles
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vacuole
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fluid filled, membrane-surroumded cavities inside a cell that fills with food being digested and waste material that is on its way out of the cell
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homeostasis
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Is the maintenence of a constant internal environment when outside conditions change
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(stable internal enviroment)
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