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Prentice Hall Biology Chapter 19: Bacteria and Viruses Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. Which of the following is not part of the second step of the viral life cycle?

Question 2 2. The cycle of viral replication whereby a prophage must detach its genome from the host genome prior to this cycle's commencement is called the:

Question 3 3. Viral nucleic acids that comprise a viral genome can be:

Question 4 4. Typically, how many offspring will the Lysogenic cycle produce?

Question 5 5. Which of the following statements about bacterial growth is FALSE?

Page 2

Question 6 6. Which of the following words can be used to describe archaebacteria?

Question 7 7. Which of the following statements about the tree of life and the domain Bacteria is TRUE?

Question 8 8. Which of the following is NOT a method of viral release?

Question 9 9. Which of the following is NOT a characteristic of all prokaryotes?

Question 10 10. A viral capsid is composed of subunits called:

Page 3

Question 11 11. During the process of viral replication _____.

Question 12 12. Archaebacteria belong to which domain?

Question 13 13. How are cyanobacteria classified?

Question 14 14. What happens to the host cell at the end of the lytic cycle?

Question 15 15. The term lysogenic cycle is most appropriately used in relation to a:

Page 4

Question 16 16. Which of the following refers to the process by which viruses are expelled out of their host cell?

Question 17 17. Which of the following is true about Phycocyanin?

Question 18 18.

X is a common genera of cyanobacteria. X is filamentous and it contains heterocysts.

Some species of X produce very potent neurotoxins.

Identify X.

Question 19 19. The average length of a bacterial cell is _____.

Question 20 20. Cyanobacteria are responsible for

Page 5

Question 21 21. Which kingdom contains the oldest known organism found on Earth?

Question 22 22. When antibiotics no longer effectively treat a bacterial infection, it is known as _____.

Question 23 23. Identify which of the following statements is FALSE.

Question 24 24. Why are scientists debating if viruses are living organisms?

Question 25 25. Which of the following is the best definition of a virion?

Page 6

Question 26 26. Which of the following statements describes the first step in the lytic cycle?

Question 27 27. Which of the following are present in ALL virions?

Question 28 28. How can you explain that an adult who had chicken pox, is now at risk of the shingles infection if you know that both diseases are caused by the same virus?

Question 29 29. The cycle of viral replication that typically results in host cell death is called the:

Question 30 30. What is the function of a viral envelope?

Prentice Hall Biology Chapter 19: Bacteria and Viruses Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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