Adhesins are
A. involved in the first step of the infectious process.
B. often found at the tip of pili.
C. found in flagella.
D. endotoxins.
E. involved in the first step of the infectious process AND often found at the tip of pili.
E
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Based on modern molecular phylogeny, which of the following animal taxons does NOT have any
members with segmentation as a derived condition?
a. Deuterostomia b. Ecdysozoa c. Lophotrochozoa d. Protostomia e. Radiata
An untreated chlamydia infection can lead to a painful condition affecting the uterine tubes, called PID or ___________ inflammatory disease.
Fill in the blank(s) with the appropriate word(s).
In the "kitchen-sink model" for CD4 T-cell loss, what does the sink's drain represent?
A. the amplification of the virus in the blood B. the wide variety of possible opportunistic infections C. the destruction of the virus by the immune system D. the production of new CD4 T cells E. the destruction of CD4 T cells by the virus
During which phase of the bacterial growth curve does the total number of viable cells decline?
A. Stationary B. Lag C. Exponential D. Death