Biology, 16.02.2021 23:50 allieballey0727
Lake Tahoe lies within the Sierra Nevada mountain range, and is one of the highest lakes in North America. The Pacific Ocean is about 300 kilometers to the west.
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Biology, 22.06.2019 14:00
Vinegar has a ph of 3, and household ammonia has a ph of 11. is the concentration of h+ greatest in the vinegar or ammonia?
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Biology, 22.06.2019 16:00
Explain why autonomous underwater explorers (aue) will provide entirely new kinds of information about ocean processes
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Biology, 22.06.2019 20:00
Which fossil organism in whale evolution do you think was the first to live mostly in water? explain your claim with evidence and reasoning?
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Biology, 22.06.2019 23:00
You are studying several alleles of an e. coli helicase gene. one allele, called rsr, confers resistance to rs2014, an antibiotic that works by inhibiting helicase activity. bacteria with the rss allele are sensitive to rs2014. another allele, called ts-, produces a temperature sensitive mutation of the helicase. in bacteria with the ts- allele, helicase is inactivated at 42 °c but functions normally at 37 °c. helicase functions normally at both temperatures in bacteria with the ts allele. you obtain the following data while testing four strains of e. coli at different temperatures and doses of rs2014. each number represents the percentage of maximal dna synthesis. based on this data, assign the appropriate genotype to strains a–d in the spaces provided
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Lake Tahoe lies within the Sierra Nevada mountain range, and is one of the highest lakes in North Am...
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