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6. Amino acids are Amphoteric.. what is this?

  • They readily react
  • Have both basic and acidic groups
  • They are in a ring structure

7. Which is an examle of ireversable enzymes inhibition?

  • HIV treatment
  • Cyanide
  • Penicillin

8. What are the monosaccharide sub units of lactose?

  • Galactose and Glucose
  • Glucose and Fructose
  • Glucose or Glucose

9. Binding of a molecule not at active site, conformational change. Increase or decrease affinity.

  • Km
  • Allosteric
  • Inhibition

10. Dimers, Trimers, tetramers?

  • Tiertiary
  • Primary
  • Quaternary
  • Secondary

11. Which of these is not a function of lipids?

  • Precursor Metabloic Pathways
  • Enzymatic
  • Stored Fat
  • Cell Membrane

12. Saturated means?

  • Presence of double bonds
  • No double bonds between Carbons
  • Not the max number of Hydrogen

13. Aldehyde/Ketone group reacts with ? closing the ring.

  • Carbonyl group
  • Hydroxyl group
  • Carboxyl group

14. Measure of affinity of substrate for the enzyme?

  • Km
  • Vmax

15. Hydrogen bonds between amine group and carbonyl group four positions away?

  • Alpha Helix
  • Beta Pleated Sheet
  • Disulphide Bond

16. Kinase enzymes..?

  • Catalyse polymerisation reaction
  • Catalyse addition of phosphate
  • Catalyse removal of phosphate
  • Catalyse breakdown of proteins

17. What is the basic formula of carbohydrates?

  • (CH1)n
  • (CH2O)n
  • (CH3)n

18. Phosphatase enzymes..?

  • Catalyse oxidisation
  • Catalyse the removal of phosphate
  • Catalyse the addition of phosphate