Table of contents

1. Introduction to Microbiology3h 22m
2. Disproving Spontaneous Generation1h 18m
3. Chemical Principles of Microbiology3h 38m
4. Water1h 28m
5. Molecules of Microbiology2h 23m
6. Cell Membrane & Transport3h 28m
7. Prokaryotic Cell Structures & Functions5h 52m
8. Eukaryotic Cell Structures & Functions2h 18m
9. Microscopes2h 46m
10. Dynamics of Microbial Growth4h 36m
11. Controlling Microbial Growth4h 10m
12. Microbial Metabolism5h 16m
13. Photosynthesis2h 31m
14. DNA Replication2h 25m
15. Central Dogma & Gene Regulation7h 14m
16. Microbial Genetics4h 44m
17. Biotechnology3h 0m
18. Viruses, Viroids, & Prions4h 56m
19. Innate Immunity7h 15m
20. Adaptive Immunity7h 14m
21. Principles of Disease6h 57m

18. Viruses, Viroids, & Prions

Animal Viruses: Reverse-Transcribing Virus Synthesis & Replication

Microbiology

18. Viruses, Viroids, & Prions

Animal Viruses: Reverse-Transcribing Virus Synthesis & Replication

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Multiple Choice

Which of the following characteristics correctly describes retroviruses?

They are made up of only a single protein.

They can only reproduce by infecting bacteria.

They have single-stranded DNA that acts as a template for DNA synthesis.

They have single-stranded RNA that acts as a template for DNA synthesis.

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Verified step by step guidance

Understand the basic structure of retroviruses: Retroviruses are a type of virus that have RNA as their genetic material, not DNA.

Learn about the replication process of retroviruses: Retroviruses use an enzyme called reverse transcriptase to convert their RNA into DNA once they infect a host cell.

Clarify the role of reverse transcriptase: This enzyme synthesizes DNA from the single-stranded RNA template, which is a key characteristic of retroviruses.

Differentiate retroviruses from other viruses: Unlike some viruses that have DNA as their genetic material, retroviruses specifically have single-stranded RNA that serves as a template for DNA synthesis.

Identify the correct characteristic: Based on the understanding of retroviruses, the correct description is that they have single-stranded RNA that acts as a template for DNA synthesis.