Inanimate objects capable of transferring infectious disease agents are

A. vectors.
B. fomites.
C. vehicles.
D. reservoirs.


B

Biology & Microbiology

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Bacteriophages' genomes are typically composed of

A) single-stranded RNA. B) single-stranded DNA. C) double-stranded RNA. D) double-stranded DNA.

Biology & Microbiology

As rainfall in an African savanna decreases, it would most likely change into

A. tiaga. B. desert. C. tropical rainforest. D. temperate forest. E. tundra.

Biology & Microbiology

In the study of Gigord and colleagues using Elderflower orchids, the allele frequencies of yellow and purple flowers varied such that when the yellow allele started to become rare, the reproductive success of purple flowers decreased and the

reproductive success of yellow-flowered individuals increased in a process known as ________. A) overdominance B) frequency-dependent selection C) underdominance D) Hardy-Weinberg stabilization E) frequency depression

Biology & Microbiology

In eukaryotic cells, the structure primarily responsible for the adherence of cells to surfaces in the environment and the formation of biofilms is the

A. glycocalyx. B. cilia. C. cell membrane. D. flagella. E. cell wall.

Biology & Microbiology