Catalysis Considerations – Enzyme Classification
Über den Vortrag
Der Vortrag „Catalysis Considerations – Enzyme Classification“ von Kevin Ahern, PhD ist Bestandteil des Kurses „Enzymes and Enzyme Kinetics“.
Quiz zum Vortrag
Which of the following occurs in the concerted model?
- R/T flipping occurs independently of the binding of substrate.
- The binding of the substrate causes the enzyme to flip the T/R state.
- The R-state is favored.
- The binding of allosteric effector(s) causes the enzyme to flip states.
Which of the following occurs in the sequential model of catalysis?
- The binding of substrate molecules causes the enzyme to flip T/R states.
- The flipping occurs independently of the binding of the substrate.
- The R-state is favored.
- The binding of the product(s) causes the enzyme to flip states.
Allosteric regulation of enzyme activity involves which of the following?
- Conformational changes in the enzyme by the binding of effector molecules.
- Amino acid sequence changes in the enzyme by the binding of effector molecules.
- Formation of new phosphodiester bonds in the enzyme by the binding of effector molecules.
- Formation of new peptide bonds in the enzyme by the binding of effector molecules.
- Peptide bond breakage in the enzyme by the binding of effector molecules.
Which of the following statements is NOT true?
- According to the concerted model, the binding of substrates favors the equilibrium towards the T state of the enzyme.
- According to the concerted model, an enzyme exists in two states: R-state and T-state.
- The concerted model and sequential model explain the allosteric regulation of enzymes.
- The sequential model states that binding of the substrate to the enzyme subunit facilitates the change of T form to R form.
- In the concerted model, the conformations of all the subunits change simultaneously.
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Dozent des Vortrages Catalysis Considerations – Enzyme Classification
Kevin Ahern, PhD
Dr. Kevin Ahern is a Professor in the Department of Biochemistry and Biophysics at Oregon State University (OSU), USA.
He obtained his PhD in Biochemistry from Oregon State University. Currently, he teaches courses for health sciences students at OSU.
He is co-author of three Open Educational electronic textbooks on Biochemistry and a Guide to Getting Into Medical School.
Due to his achievements, he earned OSU’s highest teaching recognition, the Elizabeth P. Ritchie Distinguished Professor Award in 2017.
Within Lecturio, Dr. Ahern teaches courses on Biochemistry and on "How to Get into Medical School”.
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It is very clearly and enthusiastically explained. You make Biochem easy to understand.
