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Lipid problems


  • 1. Micelles of fatty acids in water are organized such that the __________ faces the solvent and the __________ are directed toward the interior

  • Options
  • A. carboxylic acid groups, hydrocarbon chains heads
  • B. hydrophilic heads, hydrophobic tails
  • C. hydrocarbon chains, carboxylic acid groups
  • D. both (a) and (b)
  • Discuss
  • 2. VLDLs are synthesized in

  • Options
  • A. blood
  • B. liver
  • C. intestine
  • D. pancreas
  • Discuss
  • 3. Animals cannot convert fatty acids into glucose because

  • Options
  • A. acetyl CoA can not be converted to pyruvate
  • B. absence of malate synthase
  • C. absence of dehydrogenase
  • D. absence of a-ketoglutarate dehydrogenase
  • Discuss
  • 4. In the intestine, the dietary fats are hydrolysed by

  • Options
  • A. triacylglycerol lipase
  • B. adenylate cyclase
  • C. pancreatic lipase
  • D. protein kinase
  • Discuss
  • 5. Atherosclerosis can cause blood

  • Options
  • A. thinning
  • B. clotting
  • C. thickening
  • D. none of these
  • Discuss
  • 6. Arachidonate has 20 carbon atoms with

  • Options
  • A. 3 double bonds
  • B. 2 double bonds
  • C. 4 double bonds
  • D. 8 double bonds
  • Discuss
  • 7. How many types of lipoproteins are there?

  • Options
  • A. 2
  • B. 6
  • C. 8
  • D. 5
  • Discuss
  • 8. What is the major protein constituent of high-density lipoprotein (HDL)?

  • Options
  • A. Apolipoprotein A-l
  • B. Apolipoprotein C-l
  • C. Apolipoprotein E
  • D. None of these
  • Discuss
  • 9. The key enzyme in the regulation of fatty acid synthesis is

  • Options
  • A. acetyl CoA carboxylase
  • B. AMP activated proteinkinase
  • C. protein phosphatase
  • D. none of these
  • Discuss
  • 10. Fatty acids break down of eukaryotes occurs in

  • Options
  • A. mitochondrial matrix
  • B. cell membrane
  • C. cytosol
  • D. endoplasmic reticulum
  • Discuss

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