171 Biochemistry Exam 1 Questions with correct answers 2023/2024 Myoglobin >>What protein is used for storage?
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171 B
Institution
171 B
171 Biochemistry Exam 1 Questions with correct answers 2023/2024
Myoglobin >>What protein is used for storage?
Myoglobin
Hemoglobin
Collagen
Transferrin
It's a covalent interaction >>What is NOT TRUE of antibodies with respect to protection?
It is a covalent interaction
...
171 Biochemistry Exam 1 Questions with
correct answers 2023/2024
Myoglobin >>What protein is used for storage?
Myoglobin
Hemoglobin
Collagen
Transferrin
It's a covalent interaction >>What is NOT TRUE of antibodies with respect
to protection?
It is a covalent interaction
It's a noncovalent interaction; hydrogen bonding
Aspartic acid pKa=3.9 >>What is the amino acid that would dissociate a
proton and make it ionizable in physiological pH?
Aspartic acid pKa= 3.9
Histidine pKa= 6
Lysine
Planar >>What is the configuration of a peptide bond?
Peptide bonds need to be intact >>What do you have to have to make a
protein denaturation reversible?
Peptide bond needs to be intact
Hydrogen bonds
Disulfide Bonds
Quaternary structure
KEY WORD: SUBUNITS >>What is the spatial arrangement of amino
acids and functional subunits?
Tertiary structure
Primary structure
Secondary structure
Quaternary structure
Primary structure >>Which structure is predominantly responsible for a
protein's 3D structure of amino acids and provides protein with function?
Primary structure
Secondary structure
Tertiary structure
Quaternary structure
Insulation >>What is NOT considered one of the characteristics of amino
acids?
Support
, Protection
Insulation
High binding affinity
Deprotonated, Protonated >>In the amino acid structure, the carboxylic group is
and the amino group is .
Protonated, Deprotonated
Deprotonated, Protonated
As pH decreases, the charge will become negative >>What is NOT TRUE of
the pH and charge complementarity?
Changes in charge affects protein function.
As pH decreases, the charge will become negative
As pH decreases, the charge will become more positive
As pH increases, the charge will become more negative.
Hydrophobic >>The interior of the protein is?
None of these
Hydrophobic
Polar
Glutamic acid >>What is the amino acid at the N-terminus, EGAK?
Lysine
Glutamic Acid
Disulfide bonds >>What covalent interaction is the primary structure of
proteins stabilized by?
Hydrogen Bonding
Ionic interactions
Van der Waals
Disulfide Bonds
Phenylalanine, Tyrosine >>What 2 amino acids are considered aromatic?
Hemoglobin >>What contains a quaternary protein structure?
-1/km >>The x axis of a Lineweaver Burk plot is?
• -1/km
• Km
• Vmax
•The effect is facilitated by more oxygen binding >>The positive
cooperativity of oxygen and hemoglobin is best described as
• The effect is facilitated by more oxygen binding
• Oxygen has no effect
• Oxygen affinity decreases
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