True kidneys have tubules called
a. nephrons.
b. hepatic tubules.
c. metanephridia.
d. Malpighian tubules.
e. protonephridia.
A
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All of the following are true of hypertension
EXCEPT
a. it may be caused by diet. b. it usually develops after a person has a stroke. c. it may be genetic. d. it refers to chronically high blood pressure. e. it usually does not have any symptoms
Angiosperms are more advanced than gymnosperms
because gymnosperms lack which structure found in angiosperms? a. independent sporophyte b. pollen grains c. flowers d. spores e. seeds
How many years ago did the earliest primates arise?
a. ˜200 million years ago b. ˜125 million years ago c. ˜56 million years ago d. ˜22 million years ago e. ˜12.5 million years ago
Only one vaccine currently used is partially protective against tuberculosis infection. That vaccine is:
A. CBG vaccine B. BCG vaccine C. BVG vaccine D. BTG vaccine