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Which substance could most easily cross a synthetic membrane composed of phospholipids but not proteins
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In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls
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Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent
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The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian
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Which substance could most easily cross a synthetic membrane composed of phospholipids but not prote...
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