Preliminary test

What is the connecting molecule between flavoproteins and cytochromes in Electron Transport System (ETS)?

• Ferritin

• Transferrin

• Cytochrome oxidase

• Vitamin K

• Ubiquinone (CoQ)

Which of the following is ALWAYS present in a biological oxidation-reduction reaction?

• Transfer of hydrogen.

• Formation of water.

• Enterance of water.

• Transfer of electrons.

• Direct interaction of water in the reactions.

Which condition should be satisfied for a reaction to take place SPONTANEOUSLY?

           

Which organ-tissue or organ-organ does glucose-alanin cycle takes place?

• Liver-muscle

• Brain-muscle

• Liver-brain

• Brain-kidney

• Liver-kidney

Which of the following IS NOT a precursor of gluconeogenesis?

• Pyruvate

• UTP-glucose

• Oxaloacetate

• Lactic acid

• GTP