HIV selectively destroys
A) all B and T cells.
B) plasma cells.
C) memory B cells.
D) cytotoxic T cells.
E) helper T cells.
E
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Succession in abandoned farms (“old fields”) takes at least 100 years, and therefore is often reconstructed using ____
a. field experiments b. laboratory experiments c. historical records d. evolutionary records e. fossil records
What benefit will plants gain from the fungal hyphae when they are involved in a mycorrhiza relationship?
a. Dispersal of the plant seeds b. Structural support c. Increased reproductive capabilities d. Protection e. Increased surface area for absorption of water and nutrients
Movable bones are features of the sense organs associated with
a. sight. b. hearing. c. taste. d. smell. e. touch.
What is the overall equation for photosynthesis?
What will be an ideal response?