Although all of these play a part, the most important factor which drives protein folding is: a) hydrogen bond formation b) salt bridge formation c) ion-dipole interactions d) the hydrophobic effect The active site of an enzyme binds which type of molecule? a) allosteric activator b) coenzyme c) substrate d) product A coenzyme is also considered to be a prosthetic group if it: a) assists in enzyme catalysis b) binds to the active site c) acts as an allosteric inhibitor d) is covalently bound to the enzyme Proteases catalyze the cleavage of proteins into smaller peptides and amino acids by reaction with water. Proteases fall into the broader class of: a) transferases b) lyases c) hydrolases d) oxidoreductases 13. The Michaelis - Menten constant Km represents: a) 1/2 Vmax b) the substrate concentration at 1/2 Vmax c) 1/2 the substrate concentration at Vmax d) the minimum amount of substrate needed to initiate the reaction Enzymes alter which of these thermodynamic parameters? a) enthalpy b) entropy c) Gibbs free energy d) activation energy Suicide inhibitors exert their action by: a) reacting with cofactors and coenzymes b) causing enzyme denaturation c) forming a strong covalent bond to the active site d) cleaving specific peptide bonds which render the enzyme inactive

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Question

Although all of these play a part, the most important factor which drives protein folding is: a) hydrogen bond formation b) salt bridge formation c) ion-dipole interactions d) the hydrophobic effect
The active site of an enzyme binds which type of molecule? a) allosteric activator b) coenzyme c) substrate d) product
A coenzyme is also considered to be a prosthetic group if it: a) assists in enzyme catalysis b) binds to the active site c) acts as an allosteric inhibitor d) is covalently bound to the enzyme
Proteases catalyze the cleavage of proteins into smaller peptides and amino acids by reaction with water. Proteases fall into the broader class of: a) transferases b) lyases c) hydrolases d) oxidoreductases

13. The Michaelis - Menten constant Km represents: a) 1/2 Vmax b) the substrate concentration at 1/2 Vmax c) 1/2 the substrate concentration at Vmax d) the minimum amount of substrate needed to initiate the reaction

Enzymes alter which of these thermodynamic parameters? a) enthalpy b) entropy c) Gibbs free energy d) activation energy
Suicide inhibitors exert their action by: a) reacting with cofactors and coenzymes b) causing enzyme denaturation c) forming a strong covalent bond to the active site d) cleaving specific peptide bonds which render the enzyme inactive

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