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Biology, 22.06.2019 10:30, jagslovegirl
Natural selection changes allele frequencies because some survive and reproduce more successfully than others.
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Biology, 22.06.2019 19:30, madiballet125
You are given an electron micrograph of a bacterial cell. in the micrograph you can clearly see three thin layers of different densities surrounding the cell. based on the micrograph, you can infer that this cell is and would appear after application of the gram stain procedure. gram-negative / pink gram-positive / purple gram-positive / pink gram-negative / purple
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Which option supports a theory and allows it to remain the same?
evolution of technolo...
evolution of technolo...
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