Beginning with the heart, which is the correct order of blood flow, as represented by steps 1-5 in the flow chart below?
a. capillaries, venules, veins, arteries, arterioles
b. arterioles, arteries, venules, veins, capillaries
c. arteries, arterioles, capillaries, venules, veins
d. veins, venules, capillaries, arterioles, arteries
e. arteries, veins, arterioles, capillaries, venules
ANSWER: c
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Which of the following is an example of an
event that would set up the scene for primary succession?
a. a dense landslide of mountain rocks covering an entire valley b. a fire that burns off all of the surface vegetation c. an agricultural field that is abandoned d. a lake that dries up killing all of the aquatic plants e. all of these set the scene for secondary succession NOT primary succession
What Takes Place During Telophase I? - nuclear membrane - pole of the cell
What will be an ideal response?
The major cause of the loss in Earth's biodiversity is
a. agricultural runoff. b. habitat loss. c. overfishing and water pollution. d. pollution. e. fossil fuel usage.
The feature of "sticky ends" that makes them especially useful in DNA recombination is their ability to
A) bind to DNA and thereby activate transcription. B) bind to ribosomes and thereby activate translation. C) form hydrogen-bonded base pairs with complementary single-stranded stretches of DNA. D) allow plasmids to attach to the main bacterial chromosome.