0 items
- Description
SCI 250 Week 3 Virus Matrix
Watch the “Viruses” animation.
Describe the characteristics of viruses by filling out the matrix in Appendix D.
Appendix D – Viruses
Review Chapter 10 of Microbiology: Principles and Exploration and the following Virus Animation to help you complete the matrix below.
http://higheredbcs.wiley.com/legacy/college/black/0471420840/animations/ch10/ch10_Viruses/index.html
| Review Figure 10.1 of Microbiology: Principles and Explorations. Determine what the functions of the following components are: | |
| Component | Function |
| Capsid | |
| Envelope | |
| Nucleic acid | |
| Spikes (glycoproteins) | |
| Respond to Critical Thinking Question 1 in Ch. 10 of Microbiology: Principles and Explorations in the space that follows. | |
| Using two or three sentences, explain in your own words how viruses are classified by type of nucleic acid, capsid shape, and presence of envelope. | |
| Explanation | |
| Nucleic acid | |
| Capsid shape | |
| Presence of envelope | |
| Review Ch. 10 of Microbiology: Principles and Explorations. Briefly describe each of the stages of viral reproduction. | |
| Stage | Description |
| Absorption | |
| Penetration | |
| Synthesis | |
| Maturation | |
| Release | |
| Respond to the following question from Ch. 10 of Microbiology: Principles and Explorations in the space that follows. Looking at the five steps in viral replication, can you identify some promising ways to prevent or control viral infections? | |
| Respond to the following question from Ch. 10 of Microbiology: Principles and Explorations in the space that follows. Would you classify viruses as living, nonliving, or semiliving? Explain your answer. | |
| Review Table 10.7 of Microbiology: Principles and Explorations. Define the following types of viruses and viruslike agents. | |
| Virus/Viruslike agent | Definition |
| Satellites | |
| Viroids | |
| Prions | |
| Respond to the following questions in the space that follows. Can viruses cause cancer? Does it matter if the virus is composed of DNA or RNA? Explain your answers. | |