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26 Cards in this Set
- Front
- Back
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cell
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the basic unit of life in all living things
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tissue
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a group of similar cells that work together to perform a specific job
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organ
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a combination of 2 or more tissues that work together to perform a specific job
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organ system
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a group of organs that work together to perform a specific body function
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organism
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anything that can independently carry out life processes
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unicellular
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made of a single cell
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multicellular
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made of many cells
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population
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a group of individuals of the same species that live together in the same area at the same time
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community
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all the populations of different species that live and interact in an area
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ecosystem
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a community of organisms and their nonliving environmnet
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cell membrane
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phospholipid layer that covers a cell's surface & acts as a barrier b/w the inside of the cell and its environment
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organelles
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structures within a cell
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cytoplasm
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cellular fluid surrounding a cell's organelles
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nucleus
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control center of a cell
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prokaryotic
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cells that do not have a separate nucleus
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eukaryotic
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cells that have their nuclear material surrounded by a nuclear membrane
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bacteria
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extremely small single-celled organisms w/o a nucleus
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cell wall
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a structure that surrounds the cell membrane of plant cells and provides structure and support
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ribosome
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small organelle in cells where proteins are made from amino acids
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Endoplasmic Reticulum (ER)
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a series of tubes in a cell where packaged proteins are moved out of the cell: "subway system"
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Mitochondria
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cell organelle that breaks down food for ATP: "powerhouse" of the cell
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Chloroplast
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organelle found in plant and algae cells where photosynthesis occurs
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Golgi complex (apparatus)
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cell organelle that packages proteins for movement out of the cell: the "Fed Ex" of the cell
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Vesicle
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forms when part of the cell membrane surrounds an object & pinches off
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Vacuole
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organelles in cells that store water and other liquids
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Lysosome
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cell organelle that digests waste & worn out cell parts: "stomach" of the cell
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