Multiple Choice
Why is a new influenza vaccine developed each year?
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1. Introduction to Microbiology
Acellular Infectious Agents: Viruses, Viroids & Prions
Back1. Introduction to Microbiology
Acellular Infectious Agents: Viruses, Viroids & Prions
- Multiple ChoiceWhich statement best describes how a virus differs from a bacterium?1views
- Multiple ChoiceWhich of the following best describes the genetic material found in most viroids?35views
- Multiple ChoiceEnveloped viral membranes are generally derived from host cell membranes with associated virus-specific proteins. Which of the following best completes the statement: 'Enveloped viral membranes are generally ________ with associated virus-specific ________.'?46views
- Multiple ChoiceEmerging viruses that infect human cells can originate from which of the following sources?44views
- Multiple ChoiceWhich of the following is the most common means of virus distribution?32views
- Multiple ChoiceBacteriophages and animal viruses do not differ significantly in which one of the following steps of their replication cycles?69views
- Multiple ChoiceWhich of the following is NOT used as a criterion to classify viruses?51views
- Multiple ChoiceAll viruses are made up of two essential components. These components are:46views
- Multiple ChoiceWhich statement best explains why viruses are considered non-living entities?57views
- Multiple Choice
Viruses:
1518views31rank - Multiple Choice
This type of acellular infectious agent is only known to infect plants and is a small, circular, single-stranded nucleic acid molecule.
1531views18rank - Multiple Choice
An infectious protein is known to cause neurodegenerative diseases in humans such as Creutzfeldt-Jakob disease ('mad cow disease'). This type of acellular infectious agent is known as a _________.
1456views19rank - Multiple Choice
Which of the following statements about acellular infectious agents is FALSE?
1543views25rank - Textbook Question
All of the following can be transmitted by recreational (i.e., swimming) water sources except
a. Amebic dysentery.
b. Cholera.
c. Giardiasis.
d. Hepatitis B.
e. Salmonellosis.
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