The only natural hosts for infection with the microbe Mycobacterium leprae are humans and (armadillos/birds/pigs)
What will be an ideal response?
armadillos
Bloom's Taxonomy: Knowledge
Section: Bacterial Diseases of the Nervous System
Learning Outcome: 20.6
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Epithelial tissues covers ________.
A. the outer lining of blood vessels B. the outer lining of intestines C. the outer layer of skin D. All of the above are covered by epithelial tissues
The human immunodeficiency virus (HIV) only affects a specific class of cells in the immune system called helper T cells, and not other types of T cells. Which is the best explanation for this observation?
A. Only helper T cells have the correct receptor on their cell surface. B. HIV can only be released from helper T cells. C. Only helper T cells have reverse transcriptase. D. HIV can only replicate inside of helper T cells. E. The helper T cells are not necessary for the immune system to fight viral infections.
Coevolution is
a. where each species is a selective agent that shifts the range of variation in the other b. random association between two individuals that allows similarity patterns to emerge. c. resource partitioning between two related species. d. mutualistic associations and commensalism. e. none of these.
Which of the following disorders is a trinucleotide repeat disorder?
A. Huntington disease B. Marfan syndrome C. sickle-cell disease D. cystic fibrosis E. Tay-Sachs disease