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

Biology & Microbiology

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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

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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

Biology & Microbiology

Movable bones are features of the sense organs associated with

a. sight. b. hearing. c. taste. d. smell. e. touch.

Biology & Microbiology

What is the overall equation for photosynthesis?

What will be an ideal response?

Biology & Microbiology