Multiple Choice
Which characteristic do viruses possess in common with living cells?
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1. Introduction to Microbiology
Acellular Infectious Agents: Viruses, Viroids & Prions
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Which of the following is a common cause of viral gastroenteritis?
A
Streptococcus pneumoniae
B
Prion
C
Norovirus
D
Viroid
Verified step by step guidance1
Understand the term 'viral gastroenteritis': it refers to inflammation of the stomach and intestines caused by viruses, leading to symptoms like diarrhea, vomiting, and abdominal pain.
Review the options given: Streptococcus pneumoniae is a bacterium, prions are infectious proteins, norovirus is a virus, and viroids are infectious RNA molecules affecting plants.
Recall that viral gastroenteritis is caused by viruses, so bacterial agents like Streptococcus pneumoniae and non-viral agents like prions and viroids can be excluded.
Identify norovirus as a well-known and common viral agent responsible for outbreaks of viral gastroenteritis worldwide.
Conclude that among the options, norovirus is the correct and common cause of viral gastroenteritis.
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