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Biology chpt 2
| Question | Answer |
|---|---|
| Acid | any compound that increases the number of hydronium ions when dissolved in water |
| Active Site | the site on an enzyme that attaches to a substrate |
| Adhesion | is water sticking to other things |
| Base | any compound that increases the number of hydroxide ions when dissovled in water |
| Buffer | are chemicals that neutralize the effects of adding small amounts of either an acid or a base to a solution |
| Carbonhydrate | any organic compound that is made of carbon,hydrogen,and oxyegnand that provides nutrients to the cell of living things |
| Cohesion | are water molecules sticking to themselves |
| Concentration | the amount of particular substance in a given quantity of a mixture,solution,ore |
| Deoxyribonucleic acid | contains genetic information for cell activities |
| Enzyme | speeds up chemical reactions and binds to specific substrates |
| fatty acid | unbranched carbon molecules that have a hydrophilic end and a hydrophobic end |
| lipid | fats and oils |
| ph scale | a scale to measure the acidic and basic properties of an object |
| protein | rebuilds muscles |
| ribonucleic acid | a natural polymer that is present in all living things that plays a role in protein synthesis |
| solute | is a substance that dissolves in a solvent |
| solution | a homogenous mixture in which two or more substances are uniformly dispersed |
| solvent | the substance in which the solute is dissolved |
| steroid | a type of lipid of lipid that consists of four carbon rings to which various functional groups are attached and that usually has a physiological action |
| substrate | a part, substance, or element that lies beneath or support another part, or element; the reactant in reactions catalyzed by enzymes |