Which of the following explains the insolubility of lipids in water?
A) Lipids are polar molecules.
B) The polar portion of lipids is much larger than the nonpolar portion.
C) The polar portion of lipids is much smaller than the nonpolar portion.
D) The polar and nonpolar portions of lipids are of comparable size.
C
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Paleomagnetic data has been used to:
A) measure spreading rates. B) calibrate the geological time scale. C) reconstruct continents D) All of these choices has been determined by paleomagnetic data.
What would be the main result, both positive and negative, if Japan were to allow the importation of rice and open its agricultural lands to urban development?
What will be an ideal response?
Barrier reefs have lagoons
Indicate whether the statement is true or false
A pro-natalist population control policy involves incentives to promote population growth.
a. true b. false