Introduction to Viruses: Help and Review 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!

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Question 1 1. After the bacteriophage uses its tail fibers to attach to the bacterial host, what will happen next in the lytic cycle?

Question 2 2. Which of the following is NOT a feature of reverse transcriptase?

Question 3 3. Translation is where:

Question 4 4. Which of the following describes a process that involves viral integration into the host genome?

Question 5 5. Which variant of the icosahedral shape is found in some bacteriophages?

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Question 6 6. Which of the following could trigger the lytic cycle of a bacteriophage?

Question 7 7. A viral capsid is composed of subunits called:

Question 8 8. Why does it matter that HIV is a provirus?

Question 9 9. 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 10 10. Which of the following is a common target for anti-HIV drugs?

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Question 11 11. Which of the following are present in ALL virions?

Question 12 12. Reverse transcriptase helps to convert:

Question 13 13. An enzyme that makes strands of nucleotides can be which of the following?

Question 14 14. How do HIV and Influenza viruses differ?

Question 15 15. A temperate virus is one that will first _____.

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Question 16 16. Typically, how many offspring will the Lysogenic cycle produce?

Question 17 17. A virus that is in the lysogenic cycle is called:

Question 18 18. Is a case of antigenic drift or antigenic shift, which is more likely to be responsible for a flu pandemic and why?

Question 19 19. Which of the following describes a process that involves viral replications and assembly within a host, followed by bursting the host cell wall?

Question 20 20. A virus with an icosahedral shape that has a surrounding lipid bilayer that facilitates infection is known as _____ virus.

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Question 21 21. Why are scientists debating if viruses are living organisms?

Question 22 22. What are two of the most important surface proteins found on the influenza virus?

Question 23 23. A scientist identifies a strand of RNA that can be used directly to code for important viral proteins during viral replication. What have they found?

Question 24 24. What are antigenic shifts?

Question 25 25. The cycle of viral replication that typically results in host cell death is called the:

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Question 26 26. Which of the following is TRUE about an antigenic shift?

Question 27 27. The process in which two viruses mix and match parts of their genome is called _____.

Question 28 28. +ssRNA has the same sense as:

Question 29 29. Which of the following is equivalent to mRNA used to produce the necessary enzymes and proteins for viral replication?

Question 30 30. Which of the following best describes a polymerase?

Introduction to Viruses: Help and Review 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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