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2.biology
| Question | Answer |
|---|---|
| a molecule with a 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 intermolecular force occurring when a hydrogen atom that is bonded to highly electronegative atom on one 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 increase the number of hydronium ions when dissolved in water | 7.acid |
| any compound that increases the number of hydroxide ion when dissolved in water | 8.base |
| a range of values that are used to express the acidity or alkalinity of a system | 9.pH scale |
| a solution made from a weak acid and its conjugate base that neutralizes small amounts of acids or bases added to it | 10.buffer |
| a convalently bonded compound that contains carbon excluding carbonates and oxides | 11.organic comopund |
| a simple molecule that can combine with other like or un like molecules to make a polymer | 12.monomer |
| a larged molecule that is formed by more than 5 monomers or small units | 13.polymer |
| A condensation reaction is a chemical reaction in which two molecules or moieties (functional groups) combine to form one single... | 14.condensation reaction |
| Adenosine triphosphate. | 15.ATP |
| Any of a large group of compounds (including sugars, starch, and cellulose) which contain carbon, hydrogen, and oxygen | 16.carbohydrate |
| Any of the class of sugars (e.g., glucose) that cannot be hydrolyzed to give a simpler sugar. | 17.monosaccharide |
| Any of a class of sugars whose molecules contain two monosaccharide residues | 18.disaccharide |
| A carbohydrate whose molecules consist of a number of sugar molecules bonded together. | 19.polysaccharide |
| 1.Any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids | 20.protein |
| A simple organic compound containing both a carboxyl group. | 21.amino acid |
| the primary linkage of all protein structures; the chemical bond between the carboxyl groups and amino groups that unites a peptide. | 22.peptide bond |
| A linear organic polymer consisting of a large number of amino-acid residues bonded together in a chain, | 23.polypepide |
| A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction | 24.enzyme |
| 1.A substance or layer that underlies something, or on which some process occurs, in particular. | 25.substrate |
| A region on an enzyme that binds to a protein or other substance during a reaction. | 26.active site |
| Any of a class of organic compounds that are fatty acids or their derivatives and are insoluble in water but soluble in organic solvents... | 27.lipid |
| Any of a large class of organic compounds with a characteristic molecular structure containing four rings of carbon atoms | 28.steroid |
| A complex organic substance present in living cells | 29.nucleic acid |
| A compound consisting of a nucleoside linked to a phosphate group | 30.nucleotide |
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