ANSWERS TO 101/102 SELF ASSESSMENT MULTIPLE CHOICE QUESTIONS

REVISED: 10/22/99

TABLE OF CONTENTS

• CHAPTER 1 ANSWERS
• CHAPTER 2 ANSWERS
• CHAPTER 3 ANSWERS
• CHAPTER 4 ANSWERS
• CHAPTER 5 ANSWERS
• CHAPTER 6 ANSWERS
• CHAPTER 7 ANSWERS
• CHAPTER 8 ANSWERS
• CHAPTER 9 ANSWERS
• CHAPTER 10 ANSWERS
• CHAPTER 11 ANSWERS
• CHAPTER 12 ANSWERS
• CHAPTER 13 ANSWERS
• CHAPTER 14 ANSWERS
• CHAPTER 15 ANSWERS
• CHAPTER 16 ANSWERS
• CHAPTER 17 ANSWERS
• CHAPTER 18 ANSWERS
• CHAPTER 19 ANSWERS
• CHAPTER 20 ANSWERS
• ANSWERS TO STUDENT PREPARED EXAMS
  •  

CHAPTER 1 ANSWERS

1. H
2. G
3. I
4. A
5. I
6. F
7. C
8. D
9. F
10. E
11. D
12. A, D
13. B
14. F
15. F

CHAPTER 2 ANSWERS

1. C
2. A
3. B
4. C
5. B
6. A
7. A
8. A
9. C
10. A
11. A
12. C
13. F
14. T
15. B,C,E

CHAPTER 3 ANSWERS

1. A
2. A
3. A
4. A
5. C
6. B
7. E
8. A
9. D
10. D
11. A
12. D
13. A
14. D
15. A

CHAPTER 4 ANSWERS

1. A
2. E
3. A
4. D
5. B
6. D
7. B
8. A
9. A
10. D

CHAPTER 5 ANSWERS

1. C
2. B
3. A
4. C
5. E,A
6. E,C
7. B
8. C
9. A
10. B,C
11. A
12. B
13. C
14. B
15. C
16. A
17. A
18. C,D
19. A
20. B
21. A,C

CHAPTER 6 ANSWERS

1. B
2. D
3. D
4. D
5. A
6. B
7. D
8. B
9. B
10. B
11. B
12. A
13. E
14. A
15. D

CHAPTER 7 ANSWERS

1. B
2. E
3. A
4. D
5. A
6. B
7. C
8. D
9. B
10. A
11. A
12. D
13. A
14. D
15. A

CHAPTER 8 ANSWERS

1. A
2. I
3. C
4. B
5. E
6. A
7. A
8. D
9. H
10. B, D
11. B, E, F
12. F
13. H
14. C
15. B
16. H
17. D
18. I
19. J
20. C
21. B

CHAPTER 9 ANSWERS

1. Transduction
2. Transformation
3. Conjugation
4. Transformation
5. Conjugation
6. Donor
7. Recipient
8. Transformation
9. Plasmids
10. 1,000 to ~25,000 base pairs
11. Circular DNA
12. Transformation
13. Transduction and transformation
14. Pili or sex pili
15. Fertility plasmid
16. Transfer or conjugation genes (also tra genes)
17. B
18. D

CHAPTER 10 ANSWERS

1. Genetic engineering
2. Restriction enzymes
3. Cut or cleave
4. Palindromic sites
5. GAATTC or any of a couple of hundred others.
6. Isolate the vector and genomic DNA.
7. Cut the two DNAs with restriction enzyme.
8. Mix the two DNAs with ligase.
9. Transform the cloned DNA into a bacterial host for amplification.
10. B
11. TCCTACCA
12. B
13. B
14. A, E
15. D

Answers to Fig.12 Homework:

Answer to Figure 6: You would only see 12 bands because #12 & 13 are the same size, and you would have trouble seeing bands #4 & 5 and # 8, 9& 10 as single bands because they would run so close to one another in the gels.

CHAPTER 11 ANSWERS

1. 1:10 or 10^-1
2. 1:1000 or 10^-3
3. 1:100000 or 10^-5
4. 5.9 x 10⁹/ml
5. D
6. A
7. C
8. E
9. B
10. Iwanowski
11. Obligate intracellular parasite
12. Contains only one type of nucleic acid
13. Contains only a limited number of enzymes
14. 20 to 250 nm
15. Adsorption
16. Penetration
17. Biosynthesis
18. Maturation
19. Release
20. Prion
21. Protein

CHAPTER 12 ANSWERS

1. A
2. C
3. B
4. D
5. B
6. B
7. Tough; hard to break through
8. Dry; microbes need water to flourish.
9. Salty; many microbes are inhibited by high salt.
10. Oily; many microbes can't use oils as nutrients
11. High in fatty acids; lowers the pH which inhibits many microbes & the FA are toxic to many microbes.
12. Low in nutrients; no food for microbes to grow on.
13. Thick; difficult to penetrate, mechanically or with enzymes.
14. B, C, E.
15. It is lined with mucus that traps the microbes and it contains cilia that sweep the trapped microbes into the throat where they are swallowed into the acid stomach. The baffles in the nasal passages circulate the air so it comes into contact with the mucus.

CHAPTER 13 ANSWERS

1. False A whole host of microbes live on the planet human without doing any harm and many benefit us by protecting us from pathogens.
2. B. Mother was RIGHT--chew your food well so the acid in the stomach can soak into every part of the small pieces.
3. C
4. A
5. E
6. B
7. D
8. D
9. A
10. E
11. D
12. C
13. D
14. B
15. D

CHAPTER 14 ANSWERS

1. A. It is all over the world and spreading rapidly particularly in the heavily populated areas of the world.
2. D. A major problem today that effect about 10% of hospital patients.
3. A; Although German and Japanese "scientists" did this during the 2nd WW, it is not something a competent, ETHICAL scientist would even think of doing. However, it is quite common to do a "double blind" controlled study where 1/2 of the potential victims or actual victims receive a possible treatment while the other 1/2 receive a placebo (fake treatment). A number of them have done just this in their zeal to prove or disprove their beliefs as to the source of an infection and some have died proving their theory--now that is true dedication isn't it?.
4. E
5. E
6. C
7. B
8. A
9. D
10. B

CHAPTER 15 ANSWERS

1. B.
2. T.
3. E
4. B
5. C
6. A
7. D
8. A
9. D
10. A
11. F
12. E; This is the answer because it is the most inclusive. "D" is incorrect because the human genome is not large enough even with 3 billion base pairs to code for this many different antibodies.
13. A
14. C
15. E. These are the guys that make your eyes water, your nose run and cause you to sneeze outrageously when exposed to an allergen.

CHAPTER 16 ANSWERS

1. D. Because so many females with GC show no symptoms of an infection they continue to have sex without protection or informing their partners.
2. A. Both types I & II can infect other parts of the body; i.e., types II can infect the mouth and type I can produce genital herpes.
3. B.
4. B; The initial symptom is often missed particularly in women, whereas in men it is often dismissed as nothing to worry about.
5. F. No, Chlamydia is. AIDS is not required to be reported. Can you think why this is the case when it is so serious (hint--consider human nature)?
6. D. ANSWER: Still #1, always has been and always will be I suspect.
7. F; If you can do this your fame and fortune is guaranteed.
8. F; HIV is statistically hard to get, but these statistics include many cases where a single exposure resulted in an infection.
9. T; Because of their weakened immune system people with AIDS are much more susceptible to TB than healthy people and many of them are becoming TB incubators roaming our communities. What should we do about them?
10. C
11. D; This is it--it is all up to you and me (I'm not just bragging).
12. F
13. T; The baby can catch the virus during its passage through the birth canal and Herpes is often fatal to newborns.
14. B
15. C; Hatred of homosexuals was very common long before HIV came along. In fact there is evidence indicating that homophobia was, in a strange twist-of-fate, a "cause" of the severity of the epidemic.

CHAPTER 17 ANSWERS

1. E
2. T
3. D
4. E
5. D
6. D
7. D
8. T
9. B
10. B
11. A
12. E
13. D
14. D
15. B
16. D
17. D

CHAPTER 18 ANSWERS

1. E
2. B
3. B
4. A
5. E
6. A
7. C
8. A
9. E
10. D

CHAPTER 19 ANSWERS

CHAPTER 20 ANSWERS

ANSWERS TO STUDENT PREPARED SELF ASSESSMENT EXAMS

FIRST EXAM

SECOND EXAM

THIRD EXAM

FINAL EXAM

Copyright © Dr. R. E. Hurlbert, 1999. This material may be used for educational purposes only and may not be duplicated for commercial purposes.

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