Legionnaires disease emerged in 1976 due to
A. a mutation of the influenza virus.
B. contamination of an air-conditioning system.
C. the abuse of antibiotics.
D. the consumption of horseshoe bats.
E. exposure to wild monkeys.
Answer: B
You might also like to view...
A shared derived characteristic for members of the arthropod subgroup that includes spiders would be the presence of _____
A) chelicerae B) an open circulatory system C) an exoskeleton D) a cuticle E) a cephalothorax
Cytokines released by white blood cells that activate T cells and B cells, provoke an inflammatory response, and induce fever are called
A. histamines. B. complement proteins. C. interleukins. D. interferons. E. epinephrines.
Appropriately named, ________ pain oftentimes is not detected until seconds or even minutes after an injury; this is due to the activation of chemically sensitive pain receptors
Fill in the blank(s) with correct word
The DNA-binding proteins of almost all regulatory proteins use one of a small set of shapes that enable them to fit into the DNA major groove. These shapes are called
A. DNA prints. B. structural motifs. C. fingerprints. D. repressors. E. transcriptional domains.