any substance that forms hydrogen ions in water and has a pHbelow 7

smallest particle of the element

any substance that forms hydroxide ions in water and has a pH above 7

substance composed of atoms of two or more different elements that are chemically combined

chemical bond formed when two atoms share electrons

substance taht cant be broken down into simpler chemical substances

atom or group of atoms that gain or lose electrons

chemical bond formed by the attractive forces between two ions of opposite charge

atoms of the same element that have different numbers of neutrons in the nucleus

all of the chemical reactions that occur within an organism

combination of substances in which individual components retain their own properties

groups of atoms held together by covalent bonds

positively charged center of an atom composed of neutrons and positively charger protons, and surrounded by negatively charged electrons

measure of how acidic or basic a solution is

mixture in which one or more substances are distributed evenly in another substance

random movement of particles from an area of higher concentration to an area of lower concentration

result of diffusion where there is continous movement of particles but no overall change in concentration

weak chemical bond formed by the attraction of positivley charged hydrogen atoms to other negatively charged atoms

molecule with an unequal distribution of charge, resulting in the molecule having a positive end and a negative end

basic building blocks of protein molecules

organic compound used by cells to store and release energy

type of protein found in all living things that changes the rate of chemical reactions

compounds with the same simple formula but different three-dimensional structures resulting in different physical and chemical properties

large organic compounds made mostly of carbon and hydrogen with a small amount of oxygen

complex biomolecules, that store cellular information in cells in the form of a code

subunits of nucleic acid formed from a simple sugar, a phosphate group, and a nitrogenous base

colavent bond formed between amino acids

large molecule formed when many smaller molecules bond together

large, complex polymer essential to all life composed of carbon,hydrogen,oxygen, nitrogen, and sometimes sulfur

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Biochemistryy

Biochemistry

Term	Definition
Acid	any substance that forms hydrogen ions in water and has a pHbelow 7
Atom	smallest particle of the element
Base	any substance that forms hydroxide ions in water and has a pH above 7
Comnpound	substance composed of atoms of two or more different elements that are chemically combined
Covalent bond	chemical bond formed when two atoms share electrons
Element	substance taht cant be broken down into simpler chemical substances
Ion	atom or group of atoms that gain or lose electrons
Ionic bond	chemical bond formed by the attractive forces between two ions of opposite charge
Isotope	atoms of the same element that have different numbers of neutrons in the nucleus
Metabolism	all of the chemical reactions that occur within an organism
Mixture	combination of substances in which individual components retain their own properties
Molecule	groups of atoms held together by covalent bonds
Nucleus	positively charged center of an atom composed of neutrons and positively charger protons, and surrounded by negatively charged electrons
pH	measure of how acidic or basic a solution is
Solution	mixture in which one or more substances are distributed evenly in another substance
Diffusion	random movement of particles from an area of higher concentration to an area of lower concentration
Dynamic equilibrium	result of diffusion where there is continous movement of particles but no overall change in concentration
Hydrogen bond	weak chemical bond formed by the attraction of positivley charged hydrogen atoms to other negatively charged atoms
Polar molecule	molecule with an unequal distribution of charge, resulting in the molecule having a positive end and a negative end
Amino acid	basic building blocks of protein molecules
Carbohyrdrate	organic compound used by cells to store and release energy
Enzyme	type of protein found in all living things that changes the rate of chemical reactions
Isomer	compounds with the same simple formula but different three-dimensional structures resulting in different physical and chemical properties
Lipid	large organic compounds made mostly of carbon and hydrogen with a small amount of oxygen
Nucleic acid	complex biomolecules, that store cellular information in cells in the form of a code
Nucleotide	subunits of nucleic acid formed from a simple sugar, a phosphate group, and a nitrogenous base
Peptide bond	colavent bond formed between amino acids
Polymer	large molecule formed when many smaller molecules bond together
Protein	large, complex polymer essential to all life composed of carbon,hydrogen,oxygen, nitrogen, and sometimes sulfur

Created by: LoganGolding

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