All of the following can be recognized by toll-like receptors, except
A. flagellin.
B. host cell membrane proteins.
C. single-stranded viral RNA.
D. lipopolysaccharide.
E. lipoteichoic acid.
Answer: B
You might also like to view...
Transcription starts at a _________ and ends at a ____________.
a. transcriptional start site; terminator b. promoter; 5' end c. promoter; terminator d. 3' end; 5' end
Lactose transport by membrane proteins occurs under conditions in which the concentration of lactose inside the cell is higher than the concentration outside the cell. What type of transport is used to move lactose into the cell?
a. Simple diffusion b. Active transport c. Osmosis d. Facilitated diffusion
In science, a theory is:
A) a concept that you try to prove experimentally. B) a general set of principles supported by evidence. C) a guess based on previous observations. D) something that is always true.
Why are subcutaneous mycoses uncommon?
A. The human body is not a suitable habitat. B. T cells are highly effective against fungus cells. C. Injury is necessary to introduce the fungus into the tissue. D. Only immunocompromised persons are susceptible to subcutaneous mycoses. E. Saprobes do not grow well at body temperature.