SCI 250 Week 3 Virus Matrix

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SCI 250 Entire Course Link
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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.




 




 
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