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Dos arqueólogos especializados en el descubrimiento y caracterización de fósiles de vegetales que existieron hace millones de años, encontraron un tronco de una planta desconocida. Al lado de ella hallaron huellas, plumas de aves y polen petrificado. Uno de ellos afirma que la planta podría ser una gimnosperma, mientras que el otro afirma que es una angiosperma.
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What does it mean for a cell membrane to be selectively permable
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Biology, 21.06.2019 20:00
Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area
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Why reason best illustrates why hershey and chase chose to use viruses in their experiment?
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Biology, 22.06.2019 11:00
Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?
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Dos arqueólogos especializados en el descubrimiento y caracterización de fósiles de vegetales que ex...
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