Multiple Choice
What is one major difference between viruses and bacteria?
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1. Introduction to Microbiology
Acellular Infectious Agents: Viruses, Viroids & Prions
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From which phrase is the term 'prions' derived?
A
Pathogenic ribonucleic agents
B
Prokaryotic infection units
C
Proteinaceous infectious particles
D
Primitive viral organisms
Verified step by step guidance1
Understand that the term 'prions' is related to infectious agents that are distinct from viruses and bacteria.
Recall that prions are unique because they are infectious proteins without nucleic acids (DNA or RNA).
Analyze the options given: 'Pathogenic ribonucleic agents' suggests RNA-based agents, which prions are not; 'Prokaryotic infection units' implies bacterial origin, which is incorrect; 'Primitive viral organisms' suggests viruses, which prions are not.
Recognize that 'Proteinaceous infectious particles' accurately describes prions, as they are infectious particles composed solely of protein.
Conclude that the term 'prions' is derived from the phrase 'Proteinaceous infectious particles' because it highlights their protein-based infectious nature.
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