tema

Which enzyme uses GTP as energy source during gluconeogenesis? 

• PEP carboxykinase

• Pyruvate carboxylase

• Glucose 6 - phosphatase

• Fructose 1,6 - bisphosphatase

Which of the following enzymes catalyzes the reaction in gluconeogenesis when GTP is used as a phosphate donor

• Pyruvate carboxylase

• PEP carboxykinase

• Glucose 6 – phosphatase

• Fructose 1.6 – bisphosphatase

Which of the following lipoproteins is the biggest in size

• VLDL

• Chylomicrons

• LDL

Which part of a cell does beta-oxidation of fatty acids take place? 

•    Cytosol

• Lysosomes

• ER

• Mitochondria

Which of the following cells can not use fatty acids as alternative fuel?

• RBCs

• None of them can

•   Both of them can

•   Brain cells

ATP is an allosteric inhibitor of which glycolytic enzyme?

• Enolase

• Glyceraldehyde 3 - phosphate dehydrogenase

• Phosphofructokinase

•   Aldolase

How many carbons do eicosanoids contain

• 10

• 24

• 20

• 27

Which enzyme catalyzes the transformation of pyruvate into oxaloacetate?

• All of them

• Pyruvate carboxylase

• Pyruvate dehydrogenase

• Pyruvate kinase

Which of the following enzymes catalyzes the reaction in glycolysis, where NAD is reduced to NADH? 

• Hexokinase

• Glyceraldehyde-3-phosphate dehydrogenase

• Phosphofructokinase

• Aldolase

Which of the following is the example of a anaplerotic reaction? 

•   Fomation of oxaloacetate from pyruvate

• Fomation of isocitrate from citrate

• Fomation of alpha - ketoglutarate from isocitrate

• ormation of malate from fumarate