Life tables are most useful in determining which of the following?
A) carrying capacity
B) the fate of a cohort of newborn organisms throughout their lives
C) immigration and emigration rates
D) population dispersion patterns
E) reproductive rates
Ans: B) the fate of a cohort of newborn organisms throughout their lives
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) A prokaryotic organism is isolated from a glacier, where it was thriving. Based on your knowledge of the plasma membrane, you would expect to find a predominance of
A) largely saturated fatty acids. B) equal amounts of saturated and unsaturated fatty acids, as long as the chain was close to 12 carbons in length. C) cell wall to define the cell because the cell membrane would not be present. D) largely unsaturated fatty acids. E) none of the above
Which geological time period of Earth’s history is commonly referred to as the Coal Age?
a. Carboniferous b. Cretaceous c. Devonian d. Jurassic e. Permian
The genus Mycobacterium includes species responsible for
A) tuberculosis. B) urinary tract infections. C) food poisoning from contaminated dairy products. D) gastric ulcers. E) food poisoning from rice.
Which of the following is the most correct description of the function of reverse transcriptase?
A) It synthesizes a DNA strand from an RNA template, degrades the RNA strand, and replaces the RNA with a new DNA strand. B) It synthesizes an RNA strand from an integrated DNA, then synthesizes the complementary strand to produce a double-stranded RNA. C) It synthesizes a DNA from an integrated DNA template, then synthesizes multiple RNA copies of the newly synthesized DNA molecule. D) It synthesizes an RNA strand from an infecting single-strand RNA then synthesizes multiple RNA copies of both strands. E) It synthesizes a DNA strand from an infecting RNA strand, then uses the DNA as a template for synthesis of multiple new RNA strands.