How is tuberculosis transmitted?
A) by sexual contact
B) by contaminated food
C) by sneezes
D) by infected blood products
C
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In skin, the cells of the epidermis connect to the basal lamina through cellular junctions known as hemidesmosomes. Select the cytoskeletal filament that helps maintain the integrity of this connection
A. intermediate filaments B. microtubules C. microfilaments D. Responses a and c are both correct.
Mad cow disease is caused by a
A. bacterium. B. virus. C. viroid. D. virion. E. prion.
Two senses that detect changes in chemical concentration are
A. hearing and balance. B. taste and smell. C. touch and pressure. D. sight and smell.
Which of the following is an effect of an antimicrobial that blocks tubulin polymerization?
A. Preventing binary fission in bacteria. B. Preventing mitosis in eukaryotes. C. Preventing bacterial motility. D. Preventing pilus formation in bacteria. E. Preventing cytoplasmic membrane synthesis in eukaryotes.