CHEM 120 Week 8 Exam 3
Multiple Choice questions: Q 1-40. Highlight or mark the correct answer.
1. The following is a polymer.
2. The following is a naturally occurring polymer.
3. The following is true for Addition polymers.
4. The following is true for condensation polymers.
5. The following is always a reactant in hydrolysis reaction in a cell.
6. Hydrocarbons are made of and
7. As you increase the length of hydrocarbon chain, the molecules becomes more
8. Ionizing radiation
9. “Free radicals disrupt cellular processes.” This statement is
10. Half-life is defined as
11. “Radiation is used as diagnostic and a therapeutic tool in medicine.” This statement is
12. Energy is defined as
13. The SI unit of energy is
14. Exothermic reactions
15. Reaction of acid with a base results in product formation with increase in temperature. It is an example of
16. “The first law of thermodynamics is also a law of conservation of energy.” This statement is
17. An apple hanging on a branch has
18. Falling water from a water fall has
19. The entropy in nature is
20. When Carbon-14 undergoes alfa decay, the product is
21. When P-32 undergoes beta decay, the product is
22. The following is true for gamma decay.
23. A sum of ALL reactions in a cell is …
24. Synthetic reactions in the cell are …
25. Degradative reactions in the cell are …
26. Carbohydrates are made of
27. Proteins are made of
28. Fats are made of
29. is a polysaccharide
30. are the catalysts of the cell.
31. Lipids are .
32. Unsaturated fats contain .
33. Animal fats are ; while plant oils contain fats.
34. The following is not a component of DNA.
35. The following describes a difference between DNA and RNA.
36. Match the structural formula with name of the following compounds
36. CH3CH2CH2CH2NH2
37. CH3OH
38. CH3CH2OCH3
39. CH3CH2COOCH3
40. CH3CH2F