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CHEM 1005 Final Review Questions With Complete Solutions
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  • CHEM 1005
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  • University Of New England (UNE )

In the fasted state, fatty acyl-CoA are transported across the mitochondrial membrane. The transport of fatty acids via carnitine palmitoyl transferase I (CPTI) can be directly inhibited by which of the following compounds? a. Malonyl CoA b. Carnitine c. Acetyl CoA d. Palmitate correct ans...

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  • July 27, 2023
  • 15
  • 2022/2023
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  • chem 1005 final review questions with complete sol

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  • University of New England (UNE )
  • CHEM 1005
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CHEM 1005 Final Review Questions
With Complete Solutions
In the fasted state, fatty acyl-CoA are transported across the
mitochondrial membrane. The transport of fatty acids via
carnitine palmitoyl transferase I (CPTI) can be directly inhibited
by which of the following compounds?
a. Malonyl CoA
b. Carnitine
c. Acetyl CoA
d. Palmitate correct answer: Malonyl CoA

A 22-year-old woman engaging in a political protest goes on a
hunger strike on a prominent corner in a city park. She refuses
all offers of food except for water for the first 2 weeks. Under
these conditions there is a decreased reliance on what pathway
for fuel? correct answer: Gluconeogenesis

An 11-year-old girl is brought by the emergency department by
her father. He reports she has recently been very thirsty and
needing to make frequent trips to the bathroom. At her soccer
game today, she complained of lightheadedness and the
symptoms did not resolve after drinking a power beverage. A
rapid dipstick test revealed glucose in her urine and further
diagnostics were consistent with a diagnosis of Type 1 diabetes.
Evaluation of the girl's liver would reveal an increased rate of
which process? correct answer: Ketogenesis

, Ketonuria, hyperglycemia, and severe acidosis are prime
diagnostic indicators of the diagnosis of Type 1 diabetic
ketoacidosis. Which compound are "ketone bodies" that would
be elevated in serum and urine of a patient in this condition?
correct answer: D-3 hydroxybutyrate and acetoacetate

An individual is on hunger strike and has not eaten in 13 days.
What best describes their metabolic state? correct answer: The
brain will be preferentially oxidizing ketones

Under fasting conditions (ratio of insulin to glucagon <1),
elevated glucagon will activate what enzyme? correct answer:
Hormone sensitive lipase

A 10-year-old boy is brought to the emergency department by
his father. He reports his son has recently been very thirsty and
needing to make frequent trips to the bathroom. Physical
examination revealed a thin boy, in the 30th percentile for height
and weight. A rapid dipstick test revealed glucose in his urine.
Evaluation of this boy's blood would reveal decrease levels of
which compound or hormone? correct answer: Insulin

Which of the following is not a product of β-oxidation? correct
answer: NADPH

Insulin stimulates lipogenesis through several mechanisms.
Which of the following is not an insulin stimulated process that
enhances lipogenesis? correct answer: Decreased activity of
pyruvate dehydrogenase complex

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