Ions in body fluids of a human are referred to as
A) electrolytes.
B) osmolytes.
C) isotopes.
D) atoms.
A
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How does Plasmodium alter the behavior of
the mosquito that carries it?
a. it alters the sex of the mosquito b. it causes it to bite more often c. it causes it to mate more often d. it makes it more attracted to humans than other animals e. more than one of these is the answer
Diffusion of water through a semipermeable membrane is called ________.
A. endocytosis B. active transport C. osmosis D. facilitated diffusion E. diffusion
Which of the following statements is FALSE concerning the structure in Figure 27-3 labeled 1?
a. It is haploid. b. It was produced by mitosis. c. It was produced from a megaspore. d. It is not a product of fertilization. e. It is part of the sporophyte generation.
What is the advantage of a closed circulatory system over an open one?
A) A closed system carries more blood. B) In a closed system, the blood comes nearer to each cell. C) Blood flows more slowly in a closed system. D) There are more blood cells in a closed system. E) A closed system moves blood more efficiently.