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Cards In This Set
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Cell theory
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The basic units of structure and function in living organisms
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Scientific method
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Carefully observing naturally occurring phenomena in living systems, then compare data obtained from other relevant information
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Experimental group
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Additonal experiment is done in which the variable factor is introduced
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Control group
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The group that remains constant
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dependant (responding) variable
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Changes in response to independent variable
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Observations
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To test a hypothesis
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Control
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A standard of comparison for checking the results from an experiment
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Independent (manipulated) variable
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The variable is deliberately changed in the experiment
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Experiment
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A scientific test to investigate a theory, or demonstrate a known fact
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Controlled experiment
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All variables except the one being tested must remain constant
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Conclusion
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The summing up of an argument or written work
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Cell organelles
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Biologists divide cells into two main groups, Eukaryoes (cells that have a nucleus) and Prokaryotes (cells without nucleus)
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Organelles
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Sub cellular structures surrounded by membranes - that work to keep the cell functioning
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Electron Micrograph
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Allows us to look at cell structure and molecules because it is 50X more magnification than a light microscope
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Cell membrane(plasma membrane)
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Referred to as the "fluid mosaic model".....forms a semi-permeable barrier between the cell and the environment and controls the flow in and out of the cell
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