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22 Cards in this Set
- Front
- Back
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photosynthesis
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process by which most plants, some protists, and many types of bacteria make their own food
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cell membrane
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a protective covering of all cells made up of one or more layers of linked molecules
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cytoplasm
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a gelatinlike material in which is located the hereditary material of the cell
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cell wall
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tough, rigid outer coverings that protect the cells of plants, algae, fungi, and most bacteria
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organelles
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structures located in the cytoplasm of eukaryotic cells
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nucleus
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organelle that directs all cell activities and is separated from the cytoplasm by a membrane
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chloroplasts
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green organelles which make food in some plant cells
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mitochondria
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organelles which break down food into carbon dioxide and water and so make energy
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ribosomes
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organelles which make proteins for the cell
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endoplasmic reticulum(ER)
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a series of folded membranes in which materials can be processed and moved around; there are two types: "rough" and "smooth"
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Golgi bodies
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stacked, flattened membranes which sort proteins and other cellular substances and package them into vesicles
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vesicle
(not actually a vocab term, but is important) |
membrane-bound structures which deliver materials inside and to outside the cell
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vacuole
(not actually a vocab term, but is important) |
membrane-bound spaces which store water, waste substances, food, and other cellular substances
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lysosomes
(not actually a vocab term, but is important) |
organelles which contain digestive chemicals that help break down food molecules, cell wastes, and worn-out cell parts
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tissue
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a group of similar cells that work together to do one job
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organ
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a structure made up of two or more different types of tissues that work together
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organ system
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a group of organs working together to perform a certain function
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magnify
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to increase the size of something
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cell theory
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states that all organisms are made up of one or more cells, the cell is the basic unit of life, and all cells come from cells
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disease
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a condition that results from the disruption in function of one or more of an organism's normal processes
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virus
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strand of hereditary material surrounded by a protein coating
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host cell
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a living cell in which viruses hide and multiply in
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