The RNA virus, f2, of E. coli is seven times as resistant to UV light as...
The RNA virus, f2, of E. coli is seven times as resistant to UV light as the DNA virus φX174. Also, f2 does not undergo photo-reactivation. Fully explain each of these observations.
Homework Answers
UV radiation from the sun is the primary germicide in the environment. The number of bases in the DNA or RNA is important for determining sensitivity to UV activation.most common lethal photoproduct of UV are pyrimidine dimers particularly thymine dimer. DNA contains thymine so DNA containing viruses are more sensitive to damage by UV than RNA containing viruses.
Photoreactivation is found exclusively in organelles containing DNA, DNA free mini cells of an E.coli show little or no activity.
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The RNA virus, f2, of E. coli is seven times as
resistant to UV light as...
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Need help filling in the chart and answering the questions that go along with it. I...
Need help filling in the chart and answering the questions
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instructions as well as the "results" that are supposed to be used
to fill in the chart. Thank you!
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question 7 and 8 Purpose To examine the properties of polarized light and the mathematical relationship...
question 7 and 8
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Need help filling in the chart and answering the questions
that go along with it. I have added the procedure and the
instructions as well as the "results" that are supposed to be used
to fill in the chart. Thank you!
We were unable to transcribe this imageTABLE 8-1 Cast of Characters and a Legend of Abbreviations Name Symbol Function in This Experiment Green fluorescent protein GFP It serves as an indicator of successful transformation and gene transcription expression in...
question 7 and 8
Purpose To examine the properties of polarized light and the mathematical relationship describing the intensity of linearly polarized light (Malus'law). In addition, the lab will investigate different ways light can be polarized Overview This lab is the first of three labs exploring the properties of electromagnetic waves. Electromagnetic waves are composed of oscillating electric and magnetic fields. As discussed in the lecture the electric and magnetic field vectors are mutually perpendicular to each other. Light waves...
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