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Biology, 22.06.2019 16:00
Which of the following is a true statements about viruses? viruses have no nucleus. viruses are alive. viruses have a cell membrane. all viruses are deadly.
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Biology, 22.06.2019 21:30
The biological classification of organisms is called taxonomy. based on your own investigation, discuss the importance of taxonomy in biological ?
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Biology, 22.06.2019 22:30
What is the name of the group of elements that are a good conductor of heat? (5 points) select one: a. alkali metals b. halogens c. noble gases d. nonmetals
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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
Answers: 1
Why would microhabitats be able to support a wide variety of organisms within an ecosystem?...
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