Multiple Choice
Viruses with which type of genetic material would be expected to have a higher mutation rate?
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1. Introduction to Microbiology
Acellular Infectious Agents: Viruses, Viroids & Prions
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Which of the following is another name for endotoxins?
A
Exotoxins
B
Prion proteins
C
Lipopolysaccharides
D
Capsid proteins
Verified step by step guidance1
Understand that endotoxins are toxic substances associated with the outer membrane of certain bacteria, specifically Gram-negative bacteria.
Recall that endotoxins are not secreted but are part of the bacterial cell wall and are released when the bacteria die or their cell walls break down.
Recognize that the chemical nature of endotoxins is primarily lipopolysaccharides (LPS), which are molecules consisting of a lipid and a polysaccharide component.
Differentiate endotoxins from exotoxins, which are proteins secreted by bacteria, and from prion proteins and capsid proteins, which are unrelated to bacterial toxins.
Conclude that the term 'lipopolysaccharides' is another name for endotoxins because it describes their chemical structure and origin.
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