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Biochemistryy

Biochemistry

TermDefinition
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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