BIO - chemistry test review

21 terms by alecviracola 

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chemistry

study of matter

matter

has mass and takes up space

atoms

building blocks of matter

center of atom

proteins and neutrons

element

substance cant be broken down.

compound

two elements combine.

chemical bond

force that holds together

covalent bond

electrons shared

molecule

has covalent bonds

ion

lost or gained electrons

ionic bond

attraction between atoms

chemical reaction

atoms reorganized; bonds reform

catalyst

lowers activation energy

mixture

retains individual characteristics

carbohydrate

energy

lipid

fats, oils, waxes

protein

made up of amino acids joined by peptide bonds

nucleic acids

transmit genetic info;DNA and RNA

ATP

storehouse of energy

organic compound

carbon

pH

measure of H+ IN solution

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