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Biochemistry CHEM 210 - Portage Learning Module 3 Exam (1)
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Biochemistry CHEM 210 - Portage Learning Module 3 Exam (1)
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Biochemistry Module 3 ExamTrue or False: The amino acids lysine and arginine both contain sulfur atoms. -
CORRECT ANSWER-False
True or False: The following secondary structure shown below is an example of a
beta-turn. - CORRECT ANSWER-False
True or False. The side chain of histidine is bonded to the backbone nitrogen atom. -
CORRECT ANSWER-False
True or False: The name of the molecule that binds to an enzyme is called the
ligand. - CORRECT ANSWER-False
True or False: An inhibitor that binds at the active site is a coenzyme. - CORRECT
ANSWER-False
Which amino acids both have an R group (side chain) with an -OH functional group?
- CORRECT ANSWER-Ser and Thr
The formation of a peptide bond between two amino acids is an example of a(n)
_____ reaction. - CORRECT ANSWER-Condensation
The peptide Ala-Glu-Gly-Ala-Leu has ______ . - CORRECT ANSWER-Four peptide
bonds
Formally, when there are 100 or more amino acids are covalently linked together that
is called a _________. - CORRECT ANSWER-Protein
What unit is used by biochemists to indicate the mass of a protein? - CORRECT
ANSWER-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 - CORRECT ANSWER-A
Which of the following correctly matches the amino acid with its one letter
abbreviation? - CORRECT ANSWER-Glutamic acid, E
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