The adrenal cortex produces ____
a. aldosterone
b. epinephrine
c. ADH
d. testosterone
e. glucagon
ANSWER: a
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Virulence may be measured experimentally at the host level by the ________, which measures the number of pathogens that kills 50% of an experimental group of hosts within a specified amount of time.
Fill in the blank(s) with the appropriate word(s).
The liver removes excess glucose from the blood and converts it into _______.
A. bile B. glycogen C. cellulose D. starch E. maltose and other disaccharides
Which of the following most often leads to allopatric speciation?
A. Habitat isolation B. Mating time differences C. Gametic incompatibility D. Behavioral isolation
An important indicator of evolutionary relatedness is to determine:
a. size of the periplasmic space b. similarities of cell membrane proteins c. size of the bacterial chromosome d. nitrogen base sequence of rRNA e. size of the ribosomes