The exam will be multiple choice with a number of short answer questions, all of which appear below.
The following list includes most of the terminology and concepts included on the exam, but I may have left several out. Also look at the online reviews as well as the IB objectives for the Chemistry unit as those cover everything tested!
1. List the 4 commonest elements of life and a role of each.
2. List 4 other common elements of life and a role of each.
3. Compare/contrast atom & ion.
4. Organic:
5. Polar:
6. Nonpolar:
7. Cohesion:
8. Adhesion:
9. Surface Tension:
10. Hydrogen Bonds:
11. List 4 physical properties of water and a reason each would be important:
12. List the 4 main organic molecule groups (biological macromolecules) -
13. Define condensation reaction (Dehydration) :
14. Define hydrolysis reaction:
15. Protein
16. Amino Acid (monomers of proteins)
17. Draw general structure of amino acid.
18. Amino Group:
19. Carboxyl Group (Acid Group) -
20. R-group (significance of) -
21. Peptide bond:
22. Draw general structure of dipeptide:
23. Number of naturally occuring amino acids-
24. 6 functions of proteins (& named example for each):
25. Carbohydrates -
26. Monosaccharide & 2 examples:
27. Draw ring structure of alpha-D-glucose.
28. Disaccharide & 2 examples:
29. Polysaccharide & 2 examples:
30. Four importances or functions of carbohydrates:
31. Lipids
32. Triglycerides and 2 examples:
33. List 2 Monomers of triglycrides:
34. Draw basic structure of glycerol & fatty acid:
35. Saturated Fatty Acids (Identify):
36. Unsaturated Fatty Acids (Identify):
37. Phospholipids & structure:
38. Importance of phospholipids:
39. Steroids & 3 named examples:
40. 3 functions of lipids (& a named example for each function):
41. Protein structure (Primary, Secondary , Tertiary, & Quaternary) Be able to explain each.
42. Catalyst:
43. Enzyme:
44. Active site:
45. Substrate:
46. Product:
47. How to identify any enzyme by its ending "-ase":
48. Activation energy:
49. "lock & key" model of enzymes:
50. Induced fit model of enzymes:
51. Denaturation:
52. Competitive inhibition:
53. Non-competitive inhibition:
54. Allosteric Enzyme (has allosteric/regulatory site):
55. Regulatory / Allosteric Site:
56. Inhibitor (regulatory molecule): Usually a product.
57. Negative Feedback: Inhibition which reduces the enzymes action.
58. List 4 factors that affect the rate of enzyme reactions.