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Ch2-3 vocab

vocab

QuestionAnswer
describes a molecule with opposite charges on opposite ends 1.polar
the force that holds molecules of a single material together 2.cohesion
the attractive force between two bodies of different substances that are in contact with each other 3.adhesion
the enter molecule force occurring when a hydrogen atom that is bonded to a highly negative electron atom of one molecule that is attracted to two unshared electrons of another molecule 4.hydrogen bond
the OH- ion 5.hydroxide ion
an ion consisting of a proton combined with a molecule of water 6.hydronium ion
any compound that increases the number of hydonium ions when dissolved in water 7.acid
any compound that increases the number of hydroxide ions when dissolved in water 8.base
a range of values that are used to express the acidity or basicity of a system 9.ph scale
chemical substances that neutralize small amounts of acids or bases 10.buffer
primarily carbon atoms 11.organic compound
a simple molecule that can combin 12.monomer
a large molecule that is formed by more than two monomers 13.polymer
a chemical reaction between two or more molecules combine two produce water 14.condensation reaction
an organic molecule that acts as the main source of energy for all cell processes 15.ATP
an organic compound that is made of carbon hydrogen and oxygen that provides nutrients to the cells of living things 16.carbohydrate
a simple sugar that is the basic subunit or monomer of the carbohydrate 17.monosaccharide
a sugar formed from two monosaccharides 18.disaccharide
one of the carbohydrates 19.polysaccharide
an organic compound that is made of one or more chains of amino acids and that is a principle component of all cells 20.protein
an organic molecule that contains a carboxyl and an amino group that and makes up proteins 21.amino acid
the chemical bond that forms between a carboxyl group of one amino acid and the amino group of another amino acid 22.peptide bond
a long chain of several amino acids 23.polypeptide
a type of protein or RNA molecule that speeds up metabolic reactions in plants or animals without being permanently changed or destroyed 24.enzyme
a part substance or element that lies beneath and supports another part substance or element 25.substrate
the site on an enzyme that attaches to a substrate 26.active site
a large non-polar organic molecule including fats and steroid 27.lipid
a type of lipid that consists of four carbon rings to which various functional groups are attached and that usually has a physiological action 28.steroid
an organic compound either RNA or DNA whose molecules are made up of one or two chains of nucleotides and carry genetic information 29.nucleic acid
in a nucleic acid chain a subunit that consists of a sugar a phosphate and a nitrogenous base 30.nucleotide
Created by: MrBigshot___123
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