Various physical and chemical characteristics of a microbe that contribute to its pathogenicity are called
A) Pathogenicity principles
B) Virulence factors
C) Fomites
D) None of the above
Ans: B) Virulence factors
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Why is exposure to carbon monoxide so hazardous to the body?
What will be an ideal response?
The most sustainable method for limiting human population growth is ____
a. decreasing birth rate b. increasing carrying capacity c. decreasing competition d. increasing death rate
e. exploiting outer spaceAn individual who avoids the pull of gravity is exhibiting
a. negative phototaxis. b. positive geotaxis. c. negative geotaxis. d. positive thigmotaxis.
A breakfast cereal is advertised as containing essential vitamins and minerals. In this context, the word essential means __________.
a. that the substances contain the "essence" of the vegetables from which they are extracted b. that they are the nutrients that should comprise the largest component of our diet c. that they are necessary for life d. that the nutrients must be supplied in the diet and cannot be made in the body e. nothing: this is just a gimmick