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Lipid Metabolism in Biochemistry

Quiz covering fatty acids, lipoproteins, lipid metabolism pathways, and related metabolic diseases

5 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Patients with rertinitis pigmentosa are reported to have low levels of which of the following fatty acids?

  1. Arachidonic acid
  2. Eicosapentaenoic acid
  3. Linoleic acid
  4. Docosahexaenoic acid
  5. Eicosatrienoic acid
Question 2 Multiple Choice (Single Answer)

PG2 and TX2 series of prostanoids are synthesised by which of the following pathways?

  1. Pentose phosphate pathway
  2. Lipoxygenase pathway
  3. Cyclooxygenase pathway
  4. Both 2 and 3
  5. Hexose monophosphate shunt
Question 3 Multiple Choice (Single Answer)

Which of the following enzymes is deficient in patients suffering from Krabbe's disease?

  1. Beta-glucosidase
  2. Beta-galactosidase
  3. Alpha-galactosidase
  4. Ceramidase
  5. Hexosaminidase A
Question 4 Multiple Choice (Single Answer)

Which of the following fatty acids are known to be essential for the complete nutrition in many species of animals including humans?

  1. Linoleic and alpha linolenic acids
  2. Palmitoleic and oleic acids
  3. Oleic and arachidonic acids
  4. Oleic and linoleic acids
  5. linoleic and gamma linolenic acids
Question 5 Multiple Choice (Single Answer)

For lipoprotein lipase activity, apo A-II and apo C-III act as _______________.

  1. cofactors
  2. precursors
  3. inhibitors
  4. substrate
  5. product
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