Herd immunity fails when what percentage of the population is NOT vaccinated?
A) 1%
B) 5%
C) 10%
D) 50%
B
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If a coelom had been present in a species but was then lost over time, which function would you hypothesize could be most affected?
A. nervous. B. muscular. C. reproductive. D. digestive.
Which of the following describes a function of the cell wall in prokaryotic cells?
a. preventing osmotic lysis b. facilitating mitosis c. ensuring sufficient nutrient flow d. protecting the hydrothermal vent
A triglyceride molecule is made up of
a. one glycerol and two fatty acids. b. two fatty acids and two glycerols. c. one fatty acid and three glycerols. d. one glycerol and three fatty acids. e. any of these
Protist survival is limited mainly by
A) host availability. B) availability of moisture. C) speed at which they can bud off new cells. D) trophozoite size.