The term ________ is used to reference concentrations of viruses
a. titer
b. viral particle
c. virion
d. viroid
Answer: A
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Nonnative plant invaders, such as the alfalfa plant bug, are extremely invasive and hard to control because
A. they arrive in new locations where natural predators are not present. B. they tap into the xylem of a plant while seeking carbohydrates. C. they cause the plants' axillary buds to grow out. D. their populations evolve faster than the plants they attack. E. cause the plants' stomates to become unevenly distributed within the epidermis.
The structures labeled "4" are
a. trichocysts. b. cilia. c. flagella. d. pili. e. pellicles.
________ is a common name for green photosynthetic protists.
Fill in the blank(s) with the appropriate word(s).
Which of the following supposedly speeds the removal of lactic acid from contracting muscles?
a. Caffeine b. Growth hormone c. Phosphate loading d. Bicarbonate loading