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UNE Biochem 1005 Final Exam
Questions With Answers | New
Actual Exam 2025
Cortisol stimulates gluconeogenesis through which of the following mechanisms?
a. Phosphorylating hormone sensitive lipase
b. Decreasing levels of fructose 2, 6 biphosphate
c. Activating phosphofructokinase-1
d. Increasing levels of PEPCK (phosphoenol carboxykinase) - CORRECT-ANSWER-d.
Increasing levels of PEPCK (phosphoenol carboxykinase)
A 32-year-old male is stranded on an island with no food and little water. 24
hours after being stranded you would expect to see decreased activity in which of
the following pathways?
a. Urea cycle
b. Hepatic glycolysis
c. Ketogenesis
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d. Gluconeogenesis - CORRECT-ANSWER-d. Gluconeogenesis
When insulin is elevated, the activity of phosphofructokinase 1 (PFK1) is
stimulated by which of the following compounds?
a. Fructose 2,6 bisphosphate
b. Fructose 1,6 phosphate
c. Citrate
d. ATP - CORRECT-ANSWER-a. Fructose 2,6 bisphosphate
After a 24 hour fast, which of the following is the major metabolic pathway
providing oxidizable substrate for skeletal muscle?
a. Lipolysis
b. Gluconeogensis
c. Ketone body synthesis
d. Glycogenolysis - CORRECT-ANSWER-b. Gluconeogensis
A healthy, well-nourished male consumes a protein rich meal. The protein from
his diet is denatured and then proteolyzed two single amino acids. Several hours
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later, the majority of the nitrogen atoms from the protein in his diet would most
likely be found incorporated into which of the following compounds?
a. Nucleotides
b. Urea
c. Ketone bodies
d. Glycogen - CORRECT-ANSWER-b. Urea
A 1-year-old female presents to the emergency room with hypoglycemia
following a brief seizure. After laboratory tests a deficiency in β-oxidation is
confirmed. This could potentially be caused by a deficiency in an enzyme or
reduced levels of which of the following cofactors required for this process?
a. Pyridoxal phosphate
b. Thiamine
c. Biotin
d. Carnitine - CORRECT-ANSWER-b. Thiamine
During exercise, epinephrine can enhance skeletal muscle glycogenolysis through
which of the following mechanisms?
UNE Biochem 1005 Final Exam
Questions With Answers | New
Actual Exam 2025
Cortisol stimulates gluconeogenesis through which of the following mechanisms?
a. Phosphorylating hormone sensitive lipase
b. Decreasing levels of fructose 2, 6 biphosphate
c. Activating phosphofructokinase-1
d. Increasing levels of PEPCK (phosphoenol carboxykinase) - CORRECT-ANSWER-d.
Increasing levels of PEPCK (phosphoenol carboxykinase)
A 32-year-old male is stranded on an island with no food and little water. 24
hours after being stranded you would expect to see decreased activity in which of
the following pathways?
a. Urea cycle
b. Hepatic glycolysis
c. Ketogenesis
,2|Page
d. Gluconeogenesis - CORRECT-ANSWER-d. Gluconeogenesis
When insulin is elevated, the activity of phosphofructokinase 1 (PFK1) is
stimulated by which of the following compounds?
a. Fructose 2,6 bisphosphate
b. Fructose 1,6 phosphate
c. Citrate
d. ATP - CORRECT-ANSWER-a. Fructose 2,6 bisphosphate
After a 24 hour fast, which of the following is the major metabolic pathway
providing oxidizable substrate for skeletal muscle?
a. Lipolysis
b. Gluconeogensis
c. Ketone body synthesis
d. Glycogenolysis - CORRECT-ANSWER-b. Gluconeogensis
A healthy, well-nourished male consumes a protein rich meal. The protein from
his diet is denatured and then proteolyzed two single amino acids. Several hours
, 3|Page
later, the majority of the nitrogen atoms from the protein in his diet would most
likely be found incorporated into which of the following compounds?
a. Nucleotides
b. Urea
c. Ketone bodies
d. Glycogen - CORRECT-ANSWER-b. Urea
A 1-year-old female presents to the emergency room with hypoglycemia
following a brief seizure. After laboratory tests a deficiency in β-oxidation is
confirmed. This could potentially be caused by a deficiency in an enzyme or
reduced levels of which of the following cofactors required for this process?
a. Pyridoxal phosphate
b. Thiamine
c. Biotin
d. Carnitine - CORRECT-ANSWER-b. Thiamine
During exercise, epinephrine can enhance skeletal muscle glycogenolysis through
which of the following mechanisms?
