Unit 1, Unit 2, Unit 3 UNE CHEM 1005
Final Exam Questions with Guaranteed
Pass Solutions 2025-2026 Updated.
According to the first law of thermodynamics, the energy of a system is __________.
Always increasing
Constant
Lost as heat
Always decreasing - Answer Constant
Oxidation of the major foodstuffs leads to the generation of reducing equivalents. Which of the
following is a reducing equivalent?
ADP
H
Acetyl-CoA
O2 - Answer H
A series of reactions have the following ΔG.
A + B --> C ΔG = -1
C + D --> E ΔG = +3
E + F --> G ΔG = -5
The overall ΔG for this series of reactions is determined to be which of the following values?
-3
+3
+2
-6 - Answer -3
Which of the following components of the electron transport chain passes electrons to O2,
causing it to be reduced to H2O?
Succinate -Q reductase
,NADH-Q oxidoreductase
NADH
Cytochrome c oxidase - Answer Cytochrome c oxidase
The high energy bonds associated with ATP are found in the __________.
Nucleoside
Adenosine
Phosphate group
Sugar base - Answer Phosphate group
Cleavage of fructose 1,6-bisphosphate to dihydroxyacetone and glyceraldehyde 3-phosphate is
achieved by what class of enzymes?
Hydrolase
Transferase
Lyase
Ligase - Answer Lyase
A 25-year old male has just finished an Ironman competition (extreme exercise) and is being
evaluated post-race. Elevation of which of the following plasma enzymes is also likely due to
increased skeletal muscle damage?
Lipase
Amylase
Lactate dehydrogenase
Troponin - Answer Lactate dehydrogenase
As hemoglobin transitions between the T-state and the R-state, which of the following is broken
as oxygen is added?
Iron-Nitrogen links
Hydrogen bonding
Salt bridges
α-helixes - Answer Salt bridges
, Which of the following best describes tertiary structure?
Interactions between single amino acids adjacent to one another
Interactions between differing subunits of a protein
Interactions between amino acids 4 residues away from one another
Interactions between α-helices and β -sheets to form a domain - Answer Interactions
between α-helices and β -sheets to form a domain
A 55-year-old male is brought to the emergency department with a chief concern of chest pain
and tingling in his left arm. Elevation of which of the following enzymes in circulation would be
most indicative of a myocardial infarction?
Amylase
Lipase
Lactate dehydrogenase
Troponin - Answer Troponin
Dephosporylation by a phosphatase requires each of the following except:
ATP
Water
Mg2+ - Answer ATP
Competitive inhibitors typically resemble __________.
Enzymes
Substrates
Active sites
Cofactors - Answer Substrates
Methylation is typical on __________ nucleotides.
G
Final Exam Questions with Guaranteed
Pass Solutions 2025-2026 Updated.
According to the first law of thermodynamics, the energy of a system is __________.
Always increasing
Constant
Lost as heat
Always decreasing - Answer Constant
Oxidation of the major foodstuffs leads to the generation of reducing equivalents. Which of the
following is a reducing equivalent?
ADP
H
Acetyl-CoA
O2 - Answer H
A series of reactions have the following ΔG.
A + B --> C ΔG = -1
C + D --> E ΔG = +3
E + F --> G ΔG = -5
The overall ΔG for this series of reactions is determined to be which of the following values?
-3
+3
+2
-6 - Answer -3
Which of the following components of the electron transport chain passes electrons to O2,
causing it to be reduced to H2O?
Succinate -Q reductase
,NADH-Q oxidoreductase
NADH
Cytochrome c oxidase - Answer Cytochrome c oxidase
The high energy bonds associated with ATP are found in the __________.
Nucleoside
Adenosine
Phosphate group
Sugar base - Answer Phosphate group
Cleavage of fructose 1,6-bisphosphate to dihydroxyacetone and glyceraldehyde 3-phosphate is
achieved by what class of enzymes?
Hydrolase
Transferase
Lyase
Ligase - Answer Lyase
A 25-year old male has just finished an Ironman competition (extreme exercise) and is being
evaluated post-race. Elevation of which of the following plasma enzymes is also likely due to
increased skeletal muscle damage?
Lipase
Amylase
Lactate dehydrogenase
Troponin - Answer Lactate dehydrogenase
As hemoglobin transitions between the T-state and the R-state, which of the following is broken
as oxygen is added?
Iron-Nitrogen links
Hydrogen bonding
Salt bridges
α-helixes - Answer Salt bridges
, Which of the following best describes tertiary structure?
Interactions between single amino acids adjacent to one another
Interactions between differing subunits of a protein
Interactions between amino acids 4 residues away from one another
Interactions between α-helices and β -sheets to form a domain - Answer Interactions
between α-helices and β -sheets to form a domain
A 55-year-old male is brought to the emergency department with a chief concern of chest pain
and tingling in his left arm. Elevation of which of the following enzymes in circulation would be
most indicative of a myocardial infarction?
Amylase
Lipase
Lactate dehydrogenase
Troponin - Answer Troponin
Dephosporylation by a phosphatase requires each of the following except:
ATP
Water
Mg2+ - Answer ATP
Competitive inhibitors typically resemble __________.
Enzymes
Substrates
Active sites
Cofactors - Answer Substrates
Methylation is typical on __________ nucleotides.
G
