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Weyman Sect2.1 & 2.2

Vocab sect 2.1 & 2.2 pgs 52-60

QuestionAnswer
Element can’t be broken into simpler substances
Atom smallest unit of an element
Compound two or more elements chemically combined
Molecule smallest unit of most compounds
Protein needed for tissue growth & repair, needed for chemical reactions
Organic compound that contains carbon
Enzyme a protein that speeds up chemical reactions in organisms
Carbohydrate sugars & starches
Lipid fats, oils, waxes
DNA deoxyribonucleic acid
Selectively permeable property of the cell membrane allowing some materials to pass through but not others
Diffusion molecule movement from highly concentrated areas to areas with lower concentration
Osmosis diffusion of water
Passive transport molecules moving through a cell membrane without energy
Active transport molecules moving through a cell membrane with the use of energy
Created by: ontheweyman
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