Endotoxins differ from exotoxins in that endotoxins______________?
Correct answer: D. activate complement by the alternate pathway
- A. are proteins
- B. are heat labile
- C. are highly antigenic
- D. activate complement by the alternate pathway
Explanation
Endotoxin is lipopolysaccharide, especially lipid A, and is heat stable, weakly antigenic and not a protein. Unlike exotoxins, it activates complement predominantly through the alternative pathway.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Bacteriology
167 free Bacteriology MCQs from Microbiology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Microbiology questions like this
Microbiology is on 3 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Bacteriology questions
Bacteria with tuft of flagella at one end are called_______________?
One of the following staining methods is an example of negative staining_______________?
Noguchi's medium is used for________________?
Detergents used to disinfect dental instruments in the office kill bacteria by interfering with functional of the cell______________?
A darkfield microscope would be useful in examining blood for_______________?
Which of the following is an enrichment medium________________?