A.
Sequential ordered mechanism
✓
B.
Sequential random mechanism
✓
C.
Ping pong double displacement mechanism
✓
D.
Concerted acid base mechanism
✓
A.
Release of the unaltered second substrate
✓
B.
Binding of a water molecule and its nucleophilic attack on the acyl enzyme intermediate
✓
C.
Binding of an allosteric inhibitor
✓
D.
Auto degradation of the enzyme
✓
A.
Denaturing the substrate
✓
B.
Binding two substrates close together to increase their effective concentration
✓
C.
Lowering the pH of the solution
✓
D.
Using a metal ion to generate hydroxyl radicals
✓
B.
Histidine acting as a general base
✓
C.
Aspartate donating a proton
✓
D.
Formation of a disulfide bond
✓
A.
Directly break substrate bonds
✓
B.
Increase activation energy
✓
C.
Lower activation energy by stabilizing the transition state
✓
D.
Dissociate the enzyme cofactor complex
✓
A.
Competitive inhibition
✓
B.
Non competitive inhibition
✓
C.
Uncompetitive inhibition
✓
D.
Irreversible inhibition
✓
A.
Sulfhydryl group in its thiolate (S?) form
✓
A.
Competitive reversible inhibition
✓
B.
Non competitive reversible inhibition
✓
C.
Irreversible suicide inhibition
✓
D.
Allosteric regulation
✓
B.
Electrostatic stabilization
✓
D.
General acid catalysis
✓
A.
Four identical subunits
✓
B.
A non protein chemical component
✓
C.
A macromolecular substrate
✓
D.
An allosteric inhibitor
✓
A.
Activates proofreading ability
✓
B.
Seals the active site and positions catalytic residues correctly
✓
C.
Causes cofactor release
✓
D.
Permanently denatures other enzyme molecules
✓
A.
Destabilizes the substrate through desolvation, strain, or distortion, raising its energy closer to the transition state
✓
B.
Permanently alters the substrate to make it more reactive
✓
C.
Destabilizes its own structure by removing metal ions
✓
D.
Operates most efficiently only in the cellular ground state
✓
A.
Nucleophilic catalyst
✓
B.
General acid base catalyst
✓
C.
Metal ion coordinator
✓
A.
Single step induced fit
✓
B.
Activation of a water molecule by a metal bound hydroxide for direct nucleophilic attack
✓
C.
Formation of a covalent phospho enzyme intermediate
✓
D.
Intercalation of hydrophobic amino acids into DNA
✓
D.
Hydrophobic interaction
✓
A.
Accepting a proton to increase pH
✓
B.
Forming a Schiff base and acting as an electron sink
✓
D.
Binding to the allosteric site
✓
