Backpackers' diarrhea, a common infection among campers and hikers, is caused by drinking untreated
water. Consequently, backpacker’s diarrhea is due most likely to __________ in the water.
a. Phytophthora
b. Amoeba
c. Euglena
d. Trypanosoma
e. Giardia
E
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The equation CaSiO3 + CO2 CaCO3 + SiO2 takes into account which of the following processes associated with the long-term carbon cycle?
A. volcanism B. chemical weathering C. subduction D. plate tectonics E. bacteria-based oxidation
The proportion of the total air pressure that is exerted by an individual gas in a gas mixture is referred to as the
A. partial pressure of that gas. B. incomplete pressure of that gas. C. total pressure of that gas. D. gas-specific gravity of that gas. E. barometry of that gas.
Four of the five choices listed below are different
forms of a class of nucleic acids. Select the exception. a. template b. ribosomal c. messenger d. transfer e. mRNA
Which type of lipid is composed of long-chain fatty acids attached to long-chain alcohols?
A. Triglycerides B. Phospholipids C. Sterols D. Waxes E. Most neutral fats