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Suppose you streaked out a bacterial strain with the pBluescript plasmid with an insert on LB agar, LB + Amp agar and LB + XGal agar (no Amp).
You found that the strain grew white colonies on all the plates.
You take a colony from the LB plate and restreak onto these three media.
This time you get white colonies on the LB only but it did not grow on the LB + Amp but there were blue colonies on the LB + XGal plates.
Offer the best explanation of how this can occur.
Spontaneous mutation will not give full credit here.
Hint: think about the genotype of this organism.
How does enzymes lower activation energy when they catalyze reactions?
Explain how thin layer chromatography works. Include the following terms and underline them in your response: stationary phase
The molecule 2, 4 -dinitrophenol (DNP) is an uncoupler of oxidative phosphorylation. For a short period of time, it was prescribed clinically as a pill for weight reduction (against the advice of ssientists). Explain the basis for its ability to c..
Again looking at your plot from problem 5, what organism provides the best evidence from conservation for or against the specific human gene structure model?
Female mammals, including women, sometimes develop benign tumors called "ovarian teratomas" or "dermoid cysts" in their ovaries. Such a tumor begins when a primary oocyte escapes from its prophase I arrest and finished meiosis I within the ovary.
What is an example of something that comes from a farm that is considered pollution?
Read the New York Times article entitled "From Single Cells, a Vast Kingdom Arose" found here then provide a summary of the article. Next discuss what you believe to be the origins of animals.
List all possible genotypes for the following phenotypes: Yellow Kernels,Purple Kernels,Purple and smooth Kernels
Who defined this theory and when and What did the originators of the theory say about hereditary information found in cells.
Can Clostridium difficile be seen with the naked eye? Can it be cultured, if so what does the culture look like? What type of microscope
Suppose that you add 2.5 g of NaOH to 50g of HNO3 in a calorimeter and you measure a resulting temp. increase of 15.17 C. the specific heat of the soln.
Dilution and plating are used in this class to determine culture density as CFUs/mL. Another technique is dry weight determination
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