Lipolysis

How does glucagon affect the activity of Glycogen synthas and glycogen phosphorylas?

• GP increase

  GS decrease

• GS increase

  GP increase

• GS decrease

  GP decrease

• GS increase

  GP decrease

How is extracellular LPL different from HSL?

• HSL activity is increased by glucagon wherease insulin increase LPL activity

• LPL extract fatty acid from intracellular stores and HSL from blood

• LPL is present on capillaries of adipocytes only and HSL only in adipocytes

What happens to the levels of oxaloacetate (OAA) in insulin deficient state?

• The levels of OAA are unchanged

• The levels of OAA increase

• The levels of OAA decrease

How does glucagon affect the activity of extracellular LPL on the capilaries of myocardia and skeletal muscles?

• Their activity increase

• Their activity decrease

• Their activity is unchanged

How does acetyl-coA affect the activity of PDHC?

• It is an allosteric activator and increase PDHC activity

• It is an allosteric inhibitor and decrease PDHC activity

What is the function of perilipin?

• To enhance the breakdown of TAGs

• To protect intracellularly stored TAGS from breakdown by HSL

• To inhibit the function of HSL

Where in the cell Beta oxidation occur?

• Lysosom

• Cytosol

• Mitochondria

• Mitochondria matrix

Which is/are a counterregulator hormone?

• Glucagon

• Insulin

• Glucagon

  Epinephrine

What is the function of carnitine shuttle?

• To tranport fatty acids to mitochondria

• To export fatty acids from mitochondria