UNE medical biochemistry Unit 1 Test (2025) comprehensive
UNE medical biochemistry Unit 1 Test
questions and verified detailed solutions (MULTIPLE CHOICES)
Study online at https://quizlet.com/_6f1p1q
|complete solutions |A+ GRADED |100% CORRECT!!
1. Changes in the physiological variables listed below can Increase in 2,3 bisphos-
alter the affinity of hemoglobin for oxygen. Which of phoglycerate (BPG)
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
2. Domains are common structural elements that retain An arrangement of β--
a particular function within the protein. Which of the strands connected by α--
following is an example of a protein domain? helixes
a) a prosthetic group such as heme
b) irregular coils and loops
c) an arrangement of β-strands connected by α- helix-
es
d) a single α- helix
3. A 22-year-old female is diagnosed with acute pancre- amylase
atitis. Elevation of which of the following serum en-
zymes would be consistent with this diagnosis?
a) lactate dehydrogenase
b) amylase
c) troponin
d) creatine kinase
4. Movement of ammonia from an amino acid to an al- transferases
pha-keto acid involves a family of enzymes best cate-
gorized as:
1/9
, UNE medical biochemistry Unit 1 Test
Study online at https://quizlet.com/_6f1p1q
a) transferases
b) ligases
c) lyases
d) isomerases
5. Which of the following proteins is likely to have quater- a multimeric protein that
nary structure? contains multiple peptide
chains
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
6. Cleavage of fructose 1, 6 bisphosphate to dihydroxy- Lyase
acetone and glyceraldehyde 3-phosphate is achieved
by what class of enzymes?
a) ligase
b) lyase
c) transferase
d) hydrolase
7. Which of the following best describes the structure of a planar porphyrin ring
heme? that binds iron
a) a planar porphyrin ring that binds iron
b) a nicotinamide structure that is readily oxidized
c) an n-linked glycosylation
d) a negatively charged phosphate group
2/9
UNE medical biochemistry Unit 1 Test
questions and verified detailed solutions (MULTIPLE CHOICES)
Study online at https://quizlet.com/_6f1p1q
|complete solutions |A+ GRADED |100% CORRECT!!
1. Changes in the physiological variables listed below can Increase in 2,3 bisphos-
alter the affinity of hemoglobin for oxygen. Which of phoglycerate (BPG)
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
2. Domains are common structural elements that retain An arrangement of β--
a particular function within the protein. Which of the strands connected by α--
following is an example of a protein domain? helixes
a) a prosthetic group such as heme
b) irregular coils and loops
c) an arrangement of β-strands connected by α- helix-
es
d) a single α- helix
3. A 22-year-old female is diagnosed with acute pancre- amylase
atitis. Elevation of which of the following serum en-
zymes would be consistent with this diagnosis?
a) lactate dehydrogenase
b) amylase
c) troponin
d) creatine kinase
4. Movement of ammonia from an amino acid to an al- transferases
pha-keto acid involves a family of enzymes best cate-
gorized as:
1/9
, UNE medical biochemistry Unit 1 Test
Study online at https://quizlet.com/_6f1p1q
a) transferases
b) ligases
c) lyases
d) isomerases
5. Which of the following proteins is likely to have quater- a multimeric protein that
nary structure? contains multiple peptide
chains
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
6. Cleavage of fructose 1, 6 bisphosphate to dihydroxy- Lyase
acetone and glyceraldehyde 3-phosphate is achieved
by what class of enzymes?
a) ligase
b) lyase
c) transferase
d) hydrolase
7. Which of the following best describes the structure of a planar porphyrin ring
heme? that binds iron
a) a planar porphyrin ring that binds iron
b) a nicotinamide structure that is readily oxidized
c) an n-linked glycosylation
d) a negatively charged phosphate group
2/9
