The primary habitat of a pathogen is called its ________ and a ________transmits the disease
a. carrier; fomite
b. source;carrier
c. reservoir;vector
d. niche; vehicle
Ans: c. reservoir;vector
You might also like to view...
You have discovered a new species of prokaryote in a deep sea thermal vent. Without any further characterization, which one of the following statements could you make about this species with a high degree of certainty?
A. These organisms store their genetic information in a compartment called a nucleus. B. Information in DNA is translated into RNA and then transcribed into protein. C. The organisms are from the domain Archaea. D. Information in RNA is transcribed into DNA and then translated into protein. E. None of the above statements can be made with certainty.
Exchange of genetic material in ciliates is known as
A. macronucleosis B. micronucleosis C. conjugation D. panmixis E. myxomycetosis
Thomas Brock discovered the heat-resistant bacterium ________, the source of heat-resistant DNA polymerase, in Yellowstone Park hot springs
a. Euglena mutabilis b. Escherichia coli c. Bacillus infernus d. Thermus aquaticus
Exchange across a membrane requires
a. moisture only. b. transport proteins only. c. pressure gradients only. d. moisture and pressure gradients only. e. moisture, pressure gradients, and transport proteins.