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32 Cards in this Set
- Front
- Back
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diffusion
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Is the movement of materials from an area that has a lot of the material to an area that has less of the material.
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dehydration
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Happens when cells lose more water than they take in.
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osmosis
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Is the diffusion of water through a cell membrance.
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nucleus
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Controls the movement of materials, since its controls all the activities of a cell.
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cell membrance
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Selects what passes into and out of a cell.
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organ
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A body structure made of different kinds of tissue that work together to do a specific job.
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tissues
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Group of cells with the same structure and function.
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cells
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The basic unit of structure and function of an organism.
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blood
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Fluid tissue that moves from place to place.
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organism
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A living thing that carries out all life functions.
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system
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A group of organs that work together to do a job.
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cell membrance
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All cells are surrounded by a __________ that controls what goes into and out of the cell.
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nucleus
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The ____ is the command center of a cell.
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cytoplasm
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Between the cell membrane and the nucleus is a thick liquid called the _______.
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organelle
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An ______ is any cell structure with a specific job to do.
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mitochondria
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_______ supply a cell with the energy it needs.
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cell wall
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A Protective covering around the cell.
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cell theory
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One of the major theories of life science.
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chlorplasts
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Organells that make food in plant cells.
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chromosomes
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Structures in the nucleus of a cell that contains the instructions that enable the nucleus to control the activities of a cell.
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cytoplasm
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The jelly like materials between a cells nucleus and its membrane.
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dehydration
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Loss of water.
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diffusion
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The movement of material into and out of a cell from an area where there is more material to an area where there is less.
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mitochondria
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Produce the energy a cell needs.
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ribosomes
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Provide the cell with protein and nutrients.
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organelle
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Any cell structure that has a specific job to do.
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osmosis
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The diffusion of water through a cell membrane.
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nucleus
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The control center of a cell.
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Robert Hooke
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Worked with a microscope in the 1600s, was the 1st scientist to identify & name the cell.
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cork
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Hooke discovered cells in a piece of _____.
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cell theory; 3
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Hookes discovery led to the development of the ___________. The cell theory has____ parts.
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chromosomes
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The instructions for controlling a cell are contained within the __. Before a cell divides it makes an exact copy of the _.
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