Biochemistry Quiz: Carbohydrates Metabolism Part 2

Where does glycolysis take place?

• Nucleus

• Endoplasmic Reticulum

• Mitochondria

• Cytosol

What is the end product of glycolysis in the absence of oxygen?

• Lactate

• Pyruvate

• Acetyl CoA

• Glucose

Which tissues have physiological importance in glycolysis due to lack of mitochondria?

• Brain

• Liver

• Heart

• Mature RBCs

How many ATP molecules are required in the energy-requiring stage of glycolysis?

• 3 ATP

• 4 ATP

• 2 ATP

• 1 ATP

Which enzyme deficiency leads to excessive hemolysis of RBCs?

• Lactate Dehydrogenase

• Phosphofructokinase

• Hexokinase

• Pyruvate Kinase

What is the medical importance of lactate dehydrogenase enzyme?

• Synthesis of amino acids

• Production of ATP

• Diagnosis of heart and liver diseases

• Regulation of blood glucose levels

Where does oxidative decarboxylation of pyruvate into Acetyl CoA occur?

• Endoplasmic Reticulum

• Mitochondria

• Nucleus

• Cytosol

What is the main function of the Krebs' cycle?

• Detoxification reactions

• Production of energy

• Formation of glucose

• Synthesis of DNA

Which enzyme is the key enzyme of the Pentose Phosphate Pathway?

• Citrate Synthase

• Lactate Dehydrogenase

• Glucose-6-Phosphate Dehydrogenase

• Pyruvate Dehydrogenase

What is the function of the Uronic Acid Pathway?

• Synthesis of nucleic acids

• Production of energy

• Detoxification reactions

• Formation of amino acids