Which of the following are glycerophospholipids?
A) cephalins
B) lecithins
C) phosphatidylinositols
D) all of these
D
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The basic strategy of the OPEC cartel is to
A) assure that developed nations get as much crude as oil as they need. B) give priority to developing nations who want to use oil to boost industrial progress. C) produce all their proven reserves as quickly as possible to keep prices and demand high. D) control production and keep the market price as high as possible without discouraging major buyers.
The general term for channelized water flow, regardless of size, is
A) river. B) rill. C) stream. D) gully.
Which of the following statements best describes how this object may have formed?
A. a supernova explosion, probably from the late-stage evolution of a high-mass star B. a high-temperature star, formed by nuclear fusion C. material accumulated into a sphere because of gravity, and underwent nuclear fusion of hydrogen D. accumulation of mass from an interstellar cloud with pockets of high-mass material becoming stars
A(n) ________ fold has been overturned to such an extent that the limbs are essentially horizontal.
A. recumbent B. strike-slip C. isoclinal D. overturned E. dip-slip