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Home Biochemistry Lipid Comments

  • Question
  • VLDLs are synthesized in


  • Options
  • A. blood
  • B. liver
  • C. intestine
  • D. pancreas

  • Correct Answer
  • liver 


  • Lipid problems


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    • 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. Fructose is metabolized by

    • Options
    • A. fructose 1-phosphate pathway
    • B. fructose 6-phosphate pathway
    • C. glyceraldehyde 3-phosphate pathway
    • D. both (a) and (b)
    • Discuss
    • 3. The sugar which forms major component of nucleic acids is

    • Options
    • A. ribose
    • B. galactose
    • C. mannose
    • D. maltose
    • Discuss
    • 4. Which of the following statements about the energy needs of cells is false?

    • Options
    • A. Without a continuous input of energy, cell disorder will increase
    • B. The laws of thermodynamics force cells to acquire energy
    • C. Many cellular reactions have an associated activation energy
    • D. The most usable energy for cells comes from the rapid combustion of glucose
    • Discuss
    • 5. Glucagon and epinephrine

    • Options
    • A. inhibits gluconeogenesis and stimulates glycolysis
    • B. stimulates gluconeogenesis and glycolysis
    • C. stimulates gluconeogenesis and inhibits glycolysis
    • D. inhibits gluconeogenesis and glycolysis
    • Discuss
    • 6. 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
    • 7. In the intestine, the dietary fats are hydrolysed by

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

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

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

    • Options
    • A. 2
    • B. 6
    • C. 8
    • D. 5
    • Discuss


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