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(b) Explain why DNA replication cannot proceed to the regions of the chromosome labeled as I in Figure 1B unless topoisomerase binds ahead of each advancing replication fork in region II
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What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cellaβs eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen
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Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?
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Biology, 22.06.2019 04:40
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Why do we perceive objects as retaining their brightness under different lighting levels?
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(b) Explain why DNA replication cannot proceed to the regions of the chromosome labeled as I in Figu...
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