Biology, 21.07.2020 17:01 janayshas84
Explain how many ancient and medieval societies forwarded marine science even though they were not specifically addressing issues in marine science.
Answers: 1
Biology, 22.06.2019 23:00, calebwoodall6477
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
Answers: 1
Biology, 23.06.2019 04:31, alanadwhite48
Why is planting a wide variety of plant species better than planting only one type? a) diversity is best for the environment. b) a wide variety would mean less wear and tear on the soil. c) it would lead to desertification prevention. d) combining biological and chemical controls are the conditions of a healthy farm.
Answers: 3
Explain how many ancient and medieval societies forwarded marine science even though they were not s...
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English, 26.06.2019 11:30