What might a disruption of the stomach's
protective mucus layer give rise to?
a. acid reflux
b. ulcers
c. peristalsis
d. heart burn
e. none of these
B
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As big as it is, the ocean is nutrient-limited. If you wanted to investigate this phenomenon, one reasonable approach would be to _____
A) follow whale migrations in order to determine where most nutrients are located B) observe Antarctic Ocean productivity from year to year to see if it changes C) experimentally enrich some areas of the ocean and compare their productivity to that of untreated areas D) compare nutrient concentrations between the photic zone and the benthic zone in various marine locations E) contrast nutrient uptake by autotrophs in marine locations that are different temperatures
Translation requires _____
A) mRNA, tRNA, DNA, and rRNA B) mRNA, DNA, and rRNA C) mRNA, tRNA, and rRNA D) mRNA, tRNA, and DNA
In random mating
A. breeding occurs between two different subspecies. B. breeding occurs between two different species. C. individuals choose the most attractive mate. D. fertile offspring are not produced. E. there is no factor influencing mate choice.
The G-value paradox states that:
a. genome size does not correlate with organismal complexity. b. the number of protein coding sequences do not correlate with organismal complexity. c. genome size does not correlate with the number of protein coding sequences. d. B and C. e. All of the above.