Water is often known as a universal solvent, it dissolves polar molecules as well as
a. ionic compounds.
b. nonionic compounds.
c. hydrophobic compounds.
d. covalently bonded compounds.
e. lipids.
A
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Match the following items with the correct phrases.
_______1. The causative agents of dengue fever, filariasis, malaria, West Nile encephalitis, and yellow fever are all transmitted by ____________________. _______2. ____________________ transmit the causative agents of babesiosis, ehrlichiosis, Lyme disease, relapsing fever, and Rocky Mountain spotted fever. _______3. The causative agent of American trypanosomiasis (Chagas's disease) is transmitted by arthropods in a class of insects known as ____________________. _______4. ____________________ transmit the causative agents of epidemic typhus and trench fever. _______5. African sleeping sickness, leishmaniasis, and onchocerciasis are transmitted by various types of ____________________. a. biting flies b. bugs c. lice d. mosquitoes e. ticks
They famous Urey-Miller experiments provided crucial support for which hypothesis?
a. the Endosymbiosis hypothesis b. the Oparin-Haldane hypothesis c. the RNA World hypothesis d. the Dickerson oxidizing atmosphere hypothesis e. the Hydrothermal vent hypothesis
In meiosis II cytokinesis results in the production of
A. two haploid daughter cells. B. four diploid daughter cells. C. four haploid daughter cells. D. two diploid daughter cells. E. one daughter cell identical to the parent cell that underwent meiosis.
Chytrid spores are unusual among fungal spores in that they are
a. motile. b. resistant to heat. c. asexual spores. d. not used for reproduction.