Multiple Choice
Which of the following techniques could be used to produce a yeast capable of making viral proteins?
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1. Introduction to Microbiology
Acellular Infectious Agents: Viruses, Viroids & Prions
Multiple Choice
Which of the following organisms are not susceptible to infection by viruses?
A
Animals
B
Prions
C
Bacteria
D
Plants
Verified step by step guidance1
Step 1: Understand what susceptibility to viral infection means. An organism susceptible to viral infection can be invaded and have its cellular machinery used by viruses to replicate.
Step 2: Review the types of organisms listed: Animals, Bacteria, Plants, and Prions. Animals, bacteria, and plants all have cellular structures that viruses can infect.
Step 3: Recall that prions are infectious proteins, not living cells, and they do not have nucleic acids or cellular machinery for viruses to hijack.
Step 4: Conclude that since viruses require living cells to replicate, prions cannot be infected by viruses because they are not cells and lack the necessary components for viral replication.
Step 5: Therefore, prions are the organisms (or infectious agents) among the options that are not susceptible to viral infection.
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