Suppose that a person has a mutation in a gene that encodes an enzyme responsible for the production of histamine. In this person, mast cells cannot produce and secrete histamine. Which of the following outcomes is most likely to happen if an injury
occurs?
A) Macrophages will not be able to secrete signaling molecules.
B) Neutrophils will not be attracted to the injury site.
C) Neutrophils will not be able to phagocytose pathogens at the injury site.
D) Macrophages will not be attracted to the injury site.
Answer: C
You might also like to view...
Which of the following bacteria oxidize nitrite (NO2-) to produce nitrate (NO3-)?
A) Nitrobacter B) Azospirillum C) Nocardia D) Cyanobacter E) Rhizobium
Archaea differ from Bacteria in all of the following EXCEPT
A. cell wall composition. B. plasma membrane make up. C. DNA replication. D. gene expression. E. the presence of a nucleoid region.
________ are mountainous lakes that have been carved by glacial erosion and deposition
A) Marshes B) Oxbows C) Reservoirs D) Tarns
The inducing antigens that react with an antibody are called heterologous antigens
Indicate whether the statement is true or false.