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6. Primary structure of a protein is

  • amino acids chains
  • bonds formed between chains
  • the sequence of amino acids
  • chains coiling

7. Where does cellulose naturally occur?

  • Animals only
  • Plants and bacteria
  • Plants only
  • Plants and animals

8. What does ATP stand for

  • Adenine triphosphate
  • Adenine diphosphate
  • Adenine thymine phosphate
  • Energy

9. What does glucose and galactose form?

  • Lactose
  • Glucose
  • Maltose
  • Sucrose

10. What is the DNA replication process called?

  • DNA replication
  • Semi-Conservative replication
  • Conservative replication
  • DNA division

11. What is a condensation reaction?

  • Water formed
  • Breaking two molecules apart
  • Two molecules joined together with a loss of water
  • Two molecules joined together with water added

12. What is DNA made from?

  • Deoxyribose, phosphate and organic bases
  • Ribose, phosphate and organic bases
  • Pentose sugar, hydrogen and organic bases
  • Deoxyribose, phosphate and nitrogen

13. What colour would a positive biuret test give?

  • Orange
  • Blue
  • Purple
  • Brick red

14. What bonds do water have?

  • Oxygen
  • Hydrogen
  • Water
  • Hydrolic

15. What site do competitive enzyme inhibitors attach to?

  • The active site
  • The allosteric site
  • Competitive site
  • Non-competitive site

16. What factors effect enzyme action?

  • All of the above
  • Concentration
  • pH
  • Temperature

17. What bonds from in carbohydrates?

  • Glycosidic
  • Peptide
  • Ester
  • Hydrogen

18. What does two alpha glucose make?

  • Lactose
  • Maltose
  • Fructose
  • Glucose

19. What structure does DNA have?

  • Alpha helix
  • Beta pleated sheet
  • Single strand
  • Primary

20. One property that hydrogen bonds give to water?

  • High specific heat capacity
  • All of the above
  • Surface tension
  • High boiling point