1
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UNE medical biochemistry Unit 1 Test
Questions and Answers (100% Correct
Answers) Already Graded A+
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?
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a) decrease in protons
b) increase in 2,3 bisphosphoglycerate (BPG)
c) increase in pH
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d) decrease in CO2— Ans: 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— Ans: 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
, 2
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b) amylase
c) troponin
d) creatine kinase— Ans: 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— Ans: transferases
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Which of the following proteins is likely to have quaternary
structure?
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a) a protein that contains both α-helix and β-sheet secondary
structures
b) a multimeric protein that contains multiple peptide chains
c) a small protein consisting of a single amino acid chain
d) a large transmemberane protein with seven alpha helical
domains— Ans: a multimeric protein that contains multiple
peptide chains
Cleavage of fructose 1, 6 bisphosphate to dihydroxyacetone and
glyceraldehyde 3-phosphate is achieved by what class of
enzymes?
a) ligase
b) lyase
c) transferase
d) hydrolase— Ans: Lyase
Which of the following best describes the structure of heme?
For Expert help and assignment solutions, +254707240657
UNE medical biochemistry Unit 1 Test
Questions and Answers (100% Correct
Answers) Already Graded A+
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?
© 2025 Assignment Expert
a) decrease in protons
b) increase in 2,3 bisphosphoglycerate (BPG)
c) increase in pH
Guru01 - Stuvia
d) decrease in CO2— Ans: 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— Ans: 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
, 2
For Expert help and assignment solutions, +254707240657
b) amylase
c) troponin
d) creatine kinase— Ans: 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— Ans: transferases
© 2025 Assignment Expert
Which of the following proteins is likely to have quaternary
structure?
Guru01 - Stuvia
a) a protein that contains both α-helix and β-sheet secondary
structures
b) a multimeric protein that contains multiple peptide chains
c) a small protein consisting of a single amino acid chain
d) a large transmemberane protein with seven alpha helical
domains— Ans: a multimeric protein that contains multiple
peptide chains
Cleavage of fructose 1, 6 bisphosphate to dihydroxyacetone and
glyceraldehyde 3-phosphate is achieved by what class of
enzymes?
a) ligase
b) lyase
c) transferase
d) hydrolase— Ans: Lyase
Which of the following best describes the structure of heme?
