1. Bacteria can mate by conjugation. 2. In viral replication, viruses always burst out of infected cells, causing cell lysis. 3. Plasmids often spread resistance genes between bacteria.
1. Bacteria can mate by conjugation. 2. In viral replication, viruses always burst out of infected cells, causing cell lysis. 3. Plasmids often spread resistance genes between bacteria.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Part 1.
TRUE or FALSE questions
1. Bacteria can mate by conjugation.
2. In viral replication, viruses always burst out of infected cells, causing cell lysis.
3. Plasmids often spread resistance genes between bacteria.
4. The collection of biological specimens from patients should preferably be done after
prophylaxis.
5. The urogenital tract is sterile in healthy individuals.
6. Rickettsiae are extracellular organisms.
7. Bacterial endotoxins are highly toxic to the host.
8. Syphilis can be transmitted vertically.
9. Kuru is an example of an oncogenic infection.
10. Pathogenic bacteria are killed by NK (Natural Killer) cells.
11. Th1 lymphocytes target intracellular bacteria.
12. Live attenuated vaccines are always considered as safe, since they never revert to
the wild type.
13. Herpes virus uses the host's peripheral nerves as paths of transmission.
14. Influenza is an example of an endemic infection.
15. Antibodies may act by blocking nutrient transport receptors in bacteria.
16. Disinfectants always kill bacterial spores.
17. Prions can be cultured in the laboratory.
18. Viruses can cause bacterial cell mutations.
19. The BCG vaccine confers immunity against Rubella.
20. Cryptococcus neoformans infection may lead to meningitis.
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