Multiple Choice
Which key feature of Bacillus anthracis makes anthrax disease particularly difficult to eradicate?
90
views
1. Introduction to Microbiology
Introduction to Microbiology
Multiple Choice
Which of the following is most likely to be considered a microbe-associated molecular pattern (MAMP)?
A
Lipopolysaccharide (LPS) from Gram-negative bacteria
B
Hemoglobin from human red blood cells
C
Insulin produced by pancreatic cells
D
Collagen found in connective tissue
Verified step by step guidance1
Understand the concept of microbe-associated molecular patterns (MAMPs): MAMPs are conserved molecular structures found on microbes that are recognized by the host's immune system to trigger an immune response.
Identify the source of each option: Lipopolysaccharide (LPS) is a component of the outer membrane of Gram-negative bacteria; hemoglobin is a protein in human red blood cells; insulin is a hormone produced by pancreatic cells; collagen is a structural protein in connective tissue.
Recall that MAMPs are typically unique to microbes and not found in host cells, so molecules like hemoglobin, insulin, and collagen, which are host-derived, are unlikely to be MAMPs.
Recognize that LPS is a well-known MAMP because it is a distinctive molecule present on Gram-negative bacteria and is recognized by pattern recognition receptors in the immune system.
Conclude that among the options, Lipopolysaccharide (LPS) from Gram-negative bacteria is the most likely to be considered a microbe-associated molecular pattern (MAMP).
Related Videos
Related Practice
