23.5. What Are the Mechanisms of Enzyme Action?, 619
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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.
Catalysis |
Kinetics |
Enzymes |
Proteins / Peptides
HIV-1 Protease: An Enzyme at Work This is "HIV-1 Protease: An Enzyme at Work", from a video tape published by the Journal of Chemical Education - Software as Special Issue 13
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.
Enzymes |
Kinetics
Journal Articles: First 3 results.
Pedagogies:
Glycosyltransferases A and B: Four Critical Amino Acids Determine Blood TypeNatisha L. Rose, Monica M. Palcic, and Stephen V. Evans Human A, B, and O blood type is determined by the presence or absence of distinct carbohydrate structures on red blood cells. In this review the chemistry of the blood group ABO system and the role of glycosyltransferase A, glycosyltransferase B, and the four amino acids critical to determining blood group status are discussed. Rose, Natisha L.; Palcic, Monica M.; Evans, Stephen V. J. Chem. Educ.2005, 82, 1846.
Carbohydrates |
Enzymes |
Kinetics |
Bioorganic Chemistry |
Crystals / Crystallography |
Molecular Biology |
X-ray Crystallography |
Amino Acids
Application of Datalogger in Biosensing: A Glucose BiosensorMartin M. F. Choi and Pui Shan Wong Using an eggshell as a platform for the immobilization of glucose oxidase while determining glucose concentration through the depletion of oxygen as measured by an oxygen sensor and datalogger. Choi, Martin M. F.; Wong, Pui Shan. J. Chem. Educ.2002, 79, 982.
Carbohydrates |
Enzymes |
Instrumental Methods |
Laboratory Computing / Interfacing |
Qualitative Analysis |
Quantitative Analysis
An Effective Approach for Teaching Intermolecular InteractionsCampanario, Juan Miguel; Bronchalo, Enrique; Hidalgo, Miguel Angel Using electrostatic potential to help students achieve a better understanding of molecular interactions. Campanario, Juan Miguel; Bronchalo, Enrique; Hidalgo, Miguel Angel J. Chem. Educ.1994, 71, 761.
Enzyme Activity as a Function of pHPaul Krause A matched pair of documents providing an introduction to the role of pH in the regulation of enzyme activity. The tutorial document contains all the equations and graphs for students to use to study the role of pH in enzyme kinetics. In the EnzymeExercise twin document all quations are omitted so that students can develop these interactively. The Exercise document is also ideal for display during lecture where the ideas can be developed interactively with the class as a whole.
Enzymes
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.
