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Halting the Briggs-Rauscher Oscillating Reaction The Briggs-Rauscher reaction is demonstrated in three different ways. Catalase from a liver extract decomposes the hydrogen peroxide in an Briggs-Rauscher reaction, stopping the oscillations.
Biochemistry : Inhibitor (15 Variations) Which of the following molecules would you expect to be the strongest competitive inhibitor of the enzyme whose substrate is shown?
alcohol dehydrogenase, substrate ethanol CH2CH2OH
Enzymes
Kinetics : Enzyme (7 Variations)
Trypsin assists in digestion by breaking proteins down into smaller peptides. However, this process is not as efficient in the presence of fluorophosphates. Identify the role of each of these components.
An Enzyme Kinetics Experiment Using Laccase for General Chemistry Yaqi Lin and Patrick M. Lloyd This article describes the use of laccase, an oxidoreductase enzyme, to study the effects of enzyme catalysts on reaction rates. Lin, Yaqi; Lloyd, Patrick M. J. Chem. Educ.2006, 83, 638.
Aldehydes / Ketones |
Bioanalytical Chemistry |
Catalysis |
Enzymes |
Kinetics |
UV-Vis Spectroscopy
Concerning "A Reaction That Takes Place in Beakers but Not in Conical Flasks: A Catalysis-Related Demonstration"Colin White Although I respect the right of Espenson to object to my suggestion of a useful teaching aid, I fundamentally disagree with the argument put forward. A good teacher uses a variety of teaching styles and aids to stimulate and educate students, including, if appropriate, trickery or showmanship. White, Colin. J. Chem. Educ.2005, 82, 527.
Catalysis in BiologyTim Wendorff A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
Catalysis |
Enzymes
ChemPaths 104 M Feb 28John W. Moore Today in Chem 104:
* Lecture: Catalysis
* Reading:
Kotz, Ch. 15, Sec. 6
Moore, Ch. 13, Sec. 8-10
* Homework #6 due by 11:55 pm F Mar 4
* Biomolecules Tutorial: Enzymes (and Enzymes Quiz)
due at 11:55 pm, W Mar 2.
Catalysis |
Enzymes
CatalysisEd Vitz, John W. Moore A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.