Which of the following is the most suitable for
conversion to agriculture?
a. grassland
b. tropical forests
c. deciduous forest
d. prairie
e. coniferous forest
Answer: a
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During exhalation,
a. the pressure in the thoracic cavity is less than the pressure within the lungs. b. the pressure in the thoracic cavity is greater than the pressure within the lungs. c. the diaphragm moves downward and becomes more flattened. d. the chest cavity volume increases. e. movement of the diaphragm is inhibited.
Anaerobic exercise differs from aerobic exercise in that anaerobic exercise
A. requires energy faster than the body can supply oxygen to muscles. B. provides more energy than aerobic exercise. C. occurs over long time periods. D. None of the above is correct.
A sample of single stranded RNA was found to have a cytosine content of 22%. What is the expected proportion of guanine in this RNA?
a. 22% b. 28% c. 44% d. cannot be determined from this information
In the Schaffer-Fulton endospore stain, heat is a (fixation/mordant/staining) step.
Fill in the blank(s) with the appropriate word(s).