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24 Cards in this Set
- Front
- Back
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cell
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basic unit that makes up living things
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Robert Hooke
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Invented the microscope
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Anton van Leeuwenkoek
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firt person to observe living cells
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cell theory
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all living things are mode of one or more cells
The cell is the smallest unit of a living organism cells come from other cells |
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organelles
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small structures within cell
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Nucleus
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directs the activities of the cell
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cell membrane
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thin flexible covering that surrounds all types of cells. Allows food and water to go in and waste to go out
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Cell Wall
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In plant cells only - rigid outer layer that surrends the cell membrane
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Cytoplasm
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between the nucleus and cell mebrane
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Ribosomes
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Assemble proteins
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Lysosomes
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help the cell break down nutrients and old cell parts -rare in plant cells
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Vacuoles
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sacs filled with fluid - Plants have usually one large one
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Golgi apparatus
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receives proteins to ship outside the cell
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Choloroplast
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Found only in plants - use light energy to make food
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mitochondria
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power plant of the cell
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endoplasmic rectiulum
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secrete proteins
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Diatoms
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important food source for fish
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Good bacteria
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helps produce and process food
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Bad bacteria
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can make you sick
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Antibiotics
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drugs that treat bacterial infections
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amoeba
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single cell that stretches its membrane into an arm that surrounds a food particle
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paramecium
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gets food by cilia
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diffusion
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movement of particles from an area of higher concentrationto lower concentration
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osomosis
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diffusion in which water passes through the cell membrane
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