Systematists aided in the effort to eradicate malaria from Europe by ____
a. developing insecticides to kill mosquitoes
b. categorizing mosquitoes into six species
c. discovering that all mosquitoes breed in standing water
d. cloning the genes of the malaria pathogen
e. identifying Plasmodium as the parasite that causes malaria
ANSWER: b
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Cryptococcal meningoencephalitis caused by Cryptococcus gattii differs from the general pattern of fungal central nervous system (CNS) disease by occurring in
A. otherwise healthy people. B. children. C. AIDS patients. D. immunosuppressed people.
Blood moves through the structure indicated by
a. A. b. B. c. C. d. D. e. E.
In flies, the group of homeobox genes that determines the identities of each segment of a fly's body is the group known as
a. promoters b. operators c. silencing complexes d. Hox genes
Which of these happens in telophase after the two sets of chromosomes have been separated?
A) The nuclear envelope breaks down. B) The sister chromatids are pulled apart. C) The spindle disassembles. D) Chromosomes replicate. E) The cytoplasm is divided.