A cotyledon is which of the following?
a. embryonic root
b. seed cover
c. flower part
d. seed leaf
e. fruit
Answer: d
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Which of the following types of blood vessels would have the greatest resistance to flow?
A. veins B. capillaries C. venules D. arteries E. arterioles
You label cells with a radioactive isotope of sulfur (35S). The only molecules that would be radioactively labeled in these cells are
A. proteins B. nucleic acids C. lipids D. carbohydrates
If a person sits on a cool floor, heat from that person is transferred to the floor. This is an example of
A) convection. B) radiation. C) conduction. D) evaporation.
Suppose a fellow consultant claims that regional markets with more grocery stores per capita will be more competitive. If you assume this claim to be true, what is an empirically testable conclusion that would follow from this assumption?
A. Grocery store sales will be lower in locations with more grocery stores per capita. B. Grocery store sales will be higher in locations with more grocery stores per capita. C. Grocery store costs of goods will be higher in locations with more grocery stores per capita. D. Grocery store prices will be higher in locations with more grocery stores per capita.