HIV is transmitted through the exchange of any HIV-infected body fluids.
a. true
b. false
Answer: a. true
Biology & Microbiology
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Vital capacity is always equal to
a. tidal volume. b. inspiratory reserve volume. c. expiratory reserve volume. d. a + b + c.
Biology & Microbiology
Enzymes do not
a. control the speed of a reaction. b. change shapes to facilitate certain reactions. c. act on substrates. d. may require cofactors. e. react with an active site.
Biology & Microbiology
What are the two major types of chromosomes in many eukaryotic organisms?
a. sex and non-sex b. XY and ZZ c. sex and autosomes d. autosomes and ZZ
Biology & Microbiology
The only animals that lack tissues are
A) sponges. B) cnidarians. C) nematodes. D) chytrids. E) chordates.
Biology & Microbiology