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Biotechnology Div 1
Biotechnology Competition Division One 2010
| Question | Answer |
|---|---|
| Biotechnology | The use of living organisms or other biological systems in the manufacture of drugs or other products or for environmentalmanagement, as in waste recycling |
| Buffer | Solutions that have the capacity withstand the addition of small amounts of protons and/or hydroxide ions, or undergo dilution, without a dramatic change in pH. |
| DNA | deoxyribonucleic acid |
| Column Chromatography | The separation of mixtures into their constituents by preferential adsorption by a solid, as a column of silica |
| Size Exclusion Chromatography | (gel filtration) Chromatography in which the material to be fractionated separates primarily according to molecular size as it moves through a column of a gel and is washed with a solvent so that the fractions appear successively at the end of the column |
| Gel Filtration | (size exclusion) Chromatography in which the material to be fractionated separates primarily according to molecular size as it moves through a column of a gel and is washed with a solvent so that the fractions appear successively at the end of the column |
| Elution buffer | In column chromatography, it is put in the column to basically cleanse and lubricate. Generally, it helps to wash out any left-over proteins from a previous experiment. It can also help to separate the fractions that are collected. |
| Equilibrium buffer | The process of exposing a liquid to a gas that is at a certain partial pressure until the partial pressures of the gas inside and outside the liquid are equal. |
| Mobile Phase | In liquid chromatography, the phase that is moving in the bed, including the fraction of the sample held by this phase. The carrier gas in a gas chromatography procedure. |
| Stationary Phase | In chromatography, the nonmobile phase contained in the chromatographic bed. |
| Pipettor | Laboratory instrument used to transport a measured volume of liquid. |
| Protein | any of numerous, highly varied organic molecules constituting a large portion of the mass of every life form and necessary in the diet of all animals and other nonphotosynthesizing organisms |
| Epithelial Cells | Form the epithelial tissue that lines both the inner and outer surfaces of the body; serve a protective function and also aid in absorption and secretion. |
| Protein Primary Structure | Consists of the order in which amino acids are bonded to one another by peptide bonds. |
| Protein Secondary Structure | Involves the way that that chain of amino acids either twists or folds back upon itself to form either alpha helical, beta sheet or a variety of other possible arrangements. |
| Protein Tertiary Structure | Secondary structure in turn folds back and twists and bonds to itself in a three-dimensional manner |
| Precipitation | the precipitating of a substance from a solution |
| Solubility | the quality or property of being soluble; relative capability of being dissolved |
| Aqueous Phase | The water portion of a system consisting of two liquid phases, one that is primarily water and a second that is a liquid immiscible with water |
| Ethanol | Organic compound.Produced by fermentation, it is the intoxicating ingredient in alcoholic beverages. Ethanol for industrial purposes is made by either fermentation or chemical synthesis, then purified by distillation |
| Hydrophilic/Hydrophobi | Having a strong affinity for water |
| Diagnostic | Serving to identify or characterize; being a precise indication |
Created by:
is2903
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