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Biology, 21.06.2019 20:00
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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Biology, 22.06.2019 05:00
Which mechanism of transport takes place when solute particles move from a region of high concentration to a region of low concentration? active diffusion isotonic osmosis
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The site of dna replication is called a. a replicon b. a double helix c. dna polymerase d. a replica...
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