Biochemistry Module 3 Exam Questions and Answers 100% Solved | Graded A+

©JOSHCLAY 2024/2025 YEAR PUBLISHED, 2024.
Biochemistry Module 3 Exam Questions

and Answers 100% Solved | Graded A+


True or False: The amino acids lysine and arginine both contain sulfur

atoms. - ✔✔False


True or False: The following secondary structure shown below is an

example of a beta-turn. - ✔✔False


True or False. The side chain of histidine is bonded to the backbone

nitrogen atom. - ✔✔False


True or False: The name of the molecule that binds to an enzyme is called

the ligand. - ✔✔False


True or False: An inhibitor that binds at the active site is a coenzyme. -

✔✔False


Which amino acids both have an R group (side chain) with an -OH

functional group? - ✔✔Ser and Thr

, ©JOSHCLAY 2024/2025 YEAR PUBLISHED, 2024.
The formation of a peptide bond between two amino acids is an example of

a(n) _____ reaction. - ✔✔Condensation


The peptide Ala-Glu-Gly-Ala-Leu has ______ . - ✔✔Four peptide bonds


Formally, when there are 100 or more amino acids are covalently linked

together that is called a _________. - ✔✔Protein


What unit is used by biochemists to indicate the mass of a protein? -

✔✔Da


All of the 20 standard amino acids contain an R-group that is attached to

the:

A) α carbon

B) Carboxyl group

C) Amino group

D) β carbon


E) None of the above - ✔✔A


Which of the following correctly matches the amino acid with its one letter

abbreviation? - ✔✔Glutamic acid, E