UNE Medical Biochemistry Unit 1 Test-Verified
Questions And Answers.
Changes in the physiological variables listed below can alter the affinity of
hemoglobin for oxygen. Which of the following will lower the affinity of
hemoglobin for oxygen?
a) decrease in protons
b) increase in 2,3 bisphosphoglycerate (BPG)
c) increase in pH
d) decrease in CO2 ~CORRECT ANSWER~✓✓Increase in 2,3
bisphosphoglycerate (BPG)
Domains are common structural elements that retain a particular function
within the protein. Which of the following is an example of a protein
domain?
a) a prosthetic group such as heme
b) irregular coils and loops
c) an arrangement of β-strands connected by α- helixes
d) a single α- helix ~CORRECT ANSWER~✓✓An arrangement of β-strands
connected by α-helixes
, A 22-year-old female is diagnosed with acute pancreatitis. Elevation of
which of the following serum enzymes would be consistent with this
diagnosis?
a) lactate dehydrogenase
b) amylase
c) troponin
d) creatine kinase ~CORRECT ANSWER~✓✓amylase
Movement of ammonia from an amino acid to an alpha-keto acid involves
a family of enzymes best categorized as:
a) transferases
b) ligases
c) lyases
d) isomerases ~CORRECT ANSWER~✓✓transferases
Which of the following proteins is likely to have quaternary structure?
a) a protein that contains both α-helix and β-sheet secondary structures
b) a multimeric protein that contains multiple peptide chains
Questions And Answers.
Changes in the physiological variables listed below can alter the affinity of
hemoglobin for oxygen. Which of the following will lower the affinity of
hemoglobin for oxygen?
a) decrease in protons
b) increase in 2,3 bisphosphoglycerate (BPG)
c) increase in pH
d) decrease in CO2 ~CORRECT ANSWER~✓✓Increase in 2,3
bisphosphoglycerate (BPG)
Domains are common structural elements that retain a particular function
within the protein. Which of the following is an example of a protein
domain?
a) a prosthetic group such as heme
b) irregular coils and loops
c) an arrangement of β-strands connected by α- helixes
d) a single α- helix ~CORRECT ANSWER~✓✓An arrangement of β-strands
connected by α-helixes
, A 22-year-old female is diagnosed with acute pancreatitis. Elevation of
which of the following serum enzymes would be consistent with this
diagnosis?
a) lactate dehydrogenase
b) amylase
c) troponin
d) creatine kinase ~CORRECT ANSWER~✓✓amylase
Movement of ammonia from an amino acid to an alpha-keto acid involves
a family of enzymes best categorized as:
a) transferases
b) ligases
c) lyases
d) isomerases ~CORRECT ANSWER~✓✓transferases
Which of the following proteins is likely to have quaternary structure?
a) a protein that contains both α-helix and β-sheet secondary structures
b) a multimeric protein that contains multiple peptide chains
