In relation to malaria and P. falciparum, the human liver and circulatory system (especially red blood cells) are both locations that:
A. have immune system cells that express
the PfEMP1 T cell receptors.
B. contain P. falciparum during some stage of
its life cycle.
C. have immune system cells that can
effectively keep up with P. falciparum's
antigenic variation.
D. demonstrate granulomas in response to P.
falciparum infection.
B
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The MOST common source of individual foodborne botulism outbreaks are due to
A) honey. B) dairy products. C) nonacid, home-canned vegetables. D) egg and meat salads.
Homarus americanus and Bufo americanus are ____ because ____
a. different species; they are classified in different genera b. the same species; they have the same specific epithet c. plants; all plants have the specific epithet americanus d. closely related; they have the same specific epithet e. classified in different domains; they have different scientific names
In the human life cycle, somatic cells are diploid and gametes are haploid
a. true b. false
A three-chambered heart
A) has one atrium and two ventricles. B) has three ventricles. C) has two atria and one ventricle. D) is found in fish. E) has three atria.