Rutgers Intro to Biochem-Murphy
Module 2 Questions and Answers
100% Pass
What is the isoelectric point of the following tetrapetide that contains the amino acids
represented by the single letters "DREN", such that D is at the amino-terminal end of
the peptide and N is at the carboy-terminal end.
3.86
4.06
6.53
8.8
12.48 - ✔✔4.06
What is the function of a lyase enzyme.
To assist the substrate by binding to the enzyme, enabling substrate to active site
engagement
to facilitate a reaction of one substrate to form two products with the use of water
Katelyn Whitman, All Rights Reserved © 2025 1
,to facilitate a reaction of one substrate to form two products without the use of water
To tell fibs - ✔✔to facilitate a reaction of one substrate to form two products without the
use of water
If the free energy change ΔG for a reaction is -46.11 kJ/mol, the reaction is:
at equilibrium.
endergonic.
endothermic.
exergonic.
exothermic. - ✔✔exergonic.
Determine the net charge of the following tetrapeptide at pH 13.5 that contains the
amino acids represented by the single letters "MRPH", such that M is at the amino-
terminal end of the peptide and H is at the carboy-terminal end.
+2
+1
0
-1
-2 - ✔✔-1
Katelyn Whitman, All Rights Reserved © 2025 2
, Local folding of a protein occurs at what defined level of protein folding?
Primary
Secondary
Tertiary
Quarternary
All of the above - ✔✔Secondary
Determine the net charge of the following tetrapeptide at pH 3 that contains the amino
acids represented by the single letters "KYLE", such that K is at the amino-terminal end
of the peptide and E is at the carboy-terminal end.
+2
+1
0
-1
-2 - ✔✔+1
What is the isoelectric point of the following tetrapetide that contains the amino acids
represented by the single letters "HPRM", such that H is at the amino-terminal end of
the peptide and M is at the carboy-terminal end.
Katelyn Whitman, All Rights Reserved © 2025 3
Module 2 Questions and Answers
100% Pass
What is the isoelectric point of the following tetrapetide that contains the amino acids
represented by the single letters "DREN", such that D is at the amino-terminal end of
the peptide and N is at the carboy-terminal end.
3.86
4.06
6.53
8.8
12.48 - ✔✔4.06
What is the function of a lyase enzyme.
To assist the substrate by binding to the enzyme, enabling substrate to active site
engagement
to facilitate a reaction of one substrate to form two products with the use of water
Katelyn Whitman, All Rights Reserved © 2025 1
,to facilitate a reaction of one substrate to form two products without the use of water
To tell fibs - ✔✔to facilitate a reaction of one substrate to form two products without the
use of water
If the free energy change ΔG for a reaction is -46.11 kJ/mol, the reaction is:
at equilibrium.
endergonic.
endothermic.
exergonic.
exothermic. - ✔✔exergonic.
Determine the net charge of the following tetrapeptide at pH 13.5 that contains the
amino acids represented by the single letters "MRPH", such that M is at the amino-
terminal end of the peptide and H is at the carboy-terminal end.
+2
+1
0
-1
-2 - ✔✔-1
Katelyn Whitman, All Rights Reserved © 2025 2
, Local folding of a protein occurs at what defined level of protein folding?
Primary
Secondary
Tertiary
Quarternary
All of the above - ✔✔Secondary
Determine the net charge of the following tetrapeptide at pH 3 that contains the amino
acids represented by the single letters "KYLE", such that K is at the amino-terminal end
of the peptide and E is at the carboy-terminal end.
+2
+1
0
-1
-2 - ✔✔+1
What is the isoelectric point of the following tetrapetide that contains the amino acids
represented by the single letters "HPRM", such that H is at the amino-terminal end of
the peptide and M is at the carboy-terminal end.
Katelyn Whitman, All Rights Reserved © 2025 3
