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Science Test #1

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QuestionAnswer
cell the basic units of life; all living things today are made of cells or are the products of cells.
cell membrane the outer barrier of a cell. separates a cell from the enviornment, and is typically composed of phospholipids. allows for the selective passage of some molecule.
vesicle a membranous and usually fluid-filled sac
organic molecules molecules containing carbon, usually associated with living things. examples of organic molecules found in the tested meteorite: hydrocarbons, amino acids, fatty acids, and proteins.
polymer many molecules linked together (made of monomers)
monomer one molecule
amino acids the monomers of protiens
sugars monomers of carbohydrates
fatty acids, glycerols, phosphates monomers of lipids
found in molecules that make up all living things hydrogen, oxygen, carbon
three main part to the definition of life made of cells, contains
Created by: theperson
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