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Quiz

LESSON 28: METABOLISM OF CHOLESTEROL

gyorgycrack 11 perguntas

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Perguntas do quiz (11)

  1. 1Cholesterol is the precursor of...?
    1. A1.) Bile acids
    2. B2.) Hormones
    3. C3.) Vitamine D
    4. DOnly 1.) and 2.) are true
    5. EAll are true
  2. 2Cholesterol can not be degraded
    1. AVerdadeiro
    2. BFalso
  3. 3Which of these is not true?
    1. AThe substrates for the synthesis of cholesterol are AcetylCoA, ATP and NADPH
    2. B30 reactions occur in cholesterol synthesis
    3. CThe regulation of the synthesis takes place in the first step
    4. DSynthesis of cholesterol happens in a fasting state
    5. ESynthesis of cholesterol will take place in liver in the cytosol
  4. 4Which enzyme can be blocked using statins leading to a regulation in the production of mevalonic acid?
    1. AThiolase
    2. BHMG-CoA synthase
    3. CHMG-CoA reductase
    4. DSqualene synthase
    5. EPrenyl transferase
  5. 5Which molecule or molecules is/are inhibitors of the synthesis of cholesterol?
    1. ACholesterol
    2. BGlucagon
    3. CNADPH
    4. DATP
    5. EGlucagon and cholesterol
  6. 6What is found in the surface of a lipoprotein?
    1. ACholesterol esters and triglycerides
    2. BProteins, phospholipids (the head) and the hydroxyl group of cholesterol
    3. CThe hydroxyl group of cholesterol
    4. DProteins and triglycerides
    5. ECholesterol esters, triglycerides and proteins
  7. 7Which is the biggest lipoprotein?
    1. AChylomicrons
    2. BVLDL's
    3. CIDL's
    4. DLDL's
    5. EHDL's
  8. 8Which lipoprotein transport phospholipids?
    1. AChylomicrons
    2. BVLDL's
    3. CIDL's
    4. DLDL's
    5. EHDL's
  9. 9If the levels of HDL cholesterol are higher that the levels of LDL this means that you have more bad cholesterol and you are deporting more cholesterol from liver to the tissues than the cholesterol that is transported from the tissues to the liver
    1. AVerdadeiro
    2. BFalso
  10. 10Which of these statements is true?
    1. AAny of these
    2. BLipoprotein lipase is responsible for the transformation of Fatty Acids and glycerol into TG
    3. CLipoprotein lipase is responsible for the transformation of TG and glycerol into Fatty Acids
    4. DLipoprotein lipase is responsible for the transformation of Fatty Acids into TG and glycerol
    5. ELipoprotein lipase is responsible for the transformation of Glycerol into Fatty Acids and TG

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Metabolism of cholesterol test
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