Health, 16.07.2019 20:20 issaaamiaaa15
In a series of experiments, avery treated heat-killed nonvirulent s bacteria with enzymes that degraded the proteins, dna, and rna of the s bacteria, then mixed this with nonvirulent r bacteria. s cells grew in all cases except the samples with degraded dna. what did this demonstrate?
a. protein from the s bacteria is necessary for bacterial transformation to occur. b. rna from the s bacteria is necessary for bacterial transformation to occur. c. dna from the s bacteria is necessary for bacterial transformation to occur. d. protein, dna, and rna from the s bacteria are all necessary for bacterial transformation to occur.
Answers: 1
Health, 22.06.2019 22:00
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Health, 23.06.2019 07:00
Where does peer pressure come from? a.the power of culture b.the influences of others c.people who purposely try harm you d.the messages in tv commercials
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In a series of experiments, avery treated heat-killed nonvirulent s bacteria with enzymes that degra...
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