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Bio Chap 6 Vocab

-jackson- all sections

QuestionAnswer
acid any substance that forms hydrogen ion in water
atom the smallest particle of an element that has the characteristics of the element
base any substance that forms hydroxide ions in water
compound substance composed of atoms of two or more different elements that are chemically combined
covalent bond the force that holds 2 atoms together
element substance that can't be broken down into simpler chemical substances
ion charged particle
ionic bond attractive force between two ions of opposite charge
isotope atoms of the same element that have different numbers of neutrons
metabolism all of the chemical reactions that occur within an organism
mixture combination of substances in which that individual components retain their own properties
molecule group of atoms held by covalent bonds and having no overall charge
nucleus center of an atom
PH measure of how acidic or basic a solution is
solution mixture in which one or more substances are distributed evenly in another substances
diffusion net movement of particle from an area of higher concentration eventually resulting in distribution
dynamic equilibrium continues movement but no overall concentration change
hydrogen bond a weak bond caused by the attraction of opposite charges
polar molecule molecule with an unequal distribution of charge
amino acid basic building blocks of proteins
carbohydrate organic compound composed of carbon, hydrogen, and oxygen with a ration of about two hydrogen atoms and one oxygen atom
enzyme protein that changes the rate of a chemical reaction
isomer compounds that have the same simple formula but different three dimensional structures
lipid organic compounds that have a large proportion of CH bonds and less oxygen than carbohydrates
nucleic acid a complex macro molecule that stores cellular information in the form of a code
peptide bond covalent bond formed between the amino acids
polymer large molecule formed with smaller molecules
protein large complex polymer composed of carbon, hydrogen, oxygen, nitrogen, and usually sulfur
Created by: la2012
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