Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
6 Cards in this Set
- Front
- Back
|
Enzymes catalyze biochemical reactions by altering which of the following quantities associated with the reaction? A. The equilibrium constant Keq B.The enthalpy of formation ΔH C. The activation energy Ea D.The change in Gibb’s free energy ΔG |
C. The activation energy Ea |
|
|
Phosphoglucomutase, which catalyses the formation of glucose-6-phosphate from glucose-1-phosphate, is best classified as which of the following enzyme type? A. Oxidoreductase B. Isomerase C. Kinase D. Lyase |
B. Isomerase |
|
|
Which of the following molecules cannot be classified as an enzymatic cofactor? A. Heme B. Valine C. Flavin adenine dinucleotide (FAD) D. Mg2+ |
B. Valine |
|
|
In order to analyze the catalytic effect of two different enzymes on the same chemical reaction, it is best to compare which of the following quantities? A. The differences in enthalpy between the reactants and products B. The difference between transition state energies C. The differences in entropy between the reactants and products D. The differences in free energy between the reactants and products |
B. The difference between transition state energies |
|
|
The active site of an enzyme E, which catalyzes a reaction X, is partially denatured: which of the following quantities associated with X is most likely to be affected by the partial denaturation of E compared to the native form of E? A. The equilibrium constant Keq B. The boltzmann constant kB C. The heat of reaction ΔH D. The rate-constant k |
D. The rate-constant k |
|
|
The induced fit model of enzyme binding states that which of the following molecules alters the enzyme active site to more closely match the shape of the substrate?A cofactorA coenzymeAn allosteric effectorThe substrate |
dssdgag |
