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6. What is the enzyme used to help catalyse the breaking of peptide bonds ?

  • Protease
  • Catalase
  • Ligase

7. What do organisms do to rebuild proteins?

  • Break down existing proteins
  • Break down food

8. What is the bond called that is formed between two amino acids that are joined together by a condensation reaction ?

  • Peptide
  • Glycosidic
  • Ester

9. What protein is wound mostly into alpha helix structure ?

  • Haemoglobin
  • Collagen

10. What structure refers to the overall 3D structure of the final polypeptide or protein molecule?

  • Primary structure
  • Tertiary structure
  • Secondary structure

11. A protein with a specific sequence of amino acids that make up the protein?

  • Tertiary structure
  • Primary structure
  • Secondary structure

12. How many structures does a protein have?

  • 4
  • 3
  • 2

13. What protein is an example of a fibrous structural protein?

  • Prosthetic group
  • Collagen
  • Haemoglobin

14. What bonds are found in a proteins secondary structure?

  • Hydrogen
  • Glycosidic
  • Ester

15. What is the process called when an amino acid is removed?

  • Condensation
  • Deanimation
  • Hydrolysis

16. What protein is insoluble in water?

  • Collagen
  • Haemoglobin