Multiple Choice
The host range of a virus is determined by which of the following factors?
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1. Introduction to Microbiology
Acellular Infectious Agents: Viruses, Viroids & Prions
Multiple Choice
Which term describes the virus-induced, specific damage to the host cell that can be observed under a light microscope?
A
Transformation
B
Cytopathic effect
C
Transduction
D
Lysogeny
Verified step by step guidance1
Understand that the question asks for a term describing virus-induced, specific damage to host cells visible under a light microscope.
Recall that 'Transformation' refers to the genetic alteration of a cell by uptake of foreign DNA, not necessarily visible damage caused by viruses.
Recognize that 'Transduction' is a process where bacteriophages transfer genetic material between bacteria, not a visible damage effect.
Know that 'Lysogeny' describes a viral life cycle where the viral genome integrates into the host genome without immediate damage, so no visible damage is observed.
Identify that 'Cytopathic effect' (CPE) is the term used to describe the structural changes in host cells caused by viral invasion, which can be seen under a light microscope.
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