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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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Biology, 23.06.2019 12:00
Microbial population growth is represented by the graph. based on this model, we would expect the population growth of this colony to
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Biology, 23.06.2019 15:00
The dew point is reached a. evaporation rate is greater than condensation rate b. no more condensation can occur c. the air cannot support any additional water vapr d. the air is not saturated.
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What are the two components of science?...
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