True or False: Viroids are made ONLY of proteins, and prions are made ONLY of
nucleic acids
a. TRUE
b. FALSE
Answer: A
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A ____ species affects other members of the community in ways that are disproportionate to its abundance or biomass
Fill in the blank with the appropriate word.
The human immunodeficiency virus specifically targets B cells.
a. true b. false
Compare the structure and function of three of the following types of blood vessels: arteries, arterioles,
veins, venules and capillaries. What will be an ideal response?
Which of the following is TRUE about the cholesterol associated with membranes?
a) it makes the cell membrane fluid at room temperature b) it is oriented with the small hydroxyl group embedded in the lipid bilayer and the remainder of the molecule toward the membrane surface c) it interferes with the movements of fatty acid tails of the phospholipids d) all of the choices are correct