Biology, 29.12.2020 14:00 calwhite216
picture of life 1 the nature of science the chemistry of life crosscutting Concepts science of humanities most important way to gather information about the natural world analyze that information and apply it to inform the way we live with each other with other living things that is home to a song scientific methodology includes a rich and varied set of tools and approaches that can be adapted for different areas of study in both the living and non-living parts of our world energy and matter interact that help us understand how life works
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Biology, 22.06.2019 11:00
Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?
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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, 22.06.2019 23:30
What theory states that not only climate but several other factors determine the characteristics of the climax community
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