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Draw and label the regulatory regions and transcriptional regions of a typical prokaryotic and a typical eukaryotic gene.
What effect would the following mutations have on the expression of the enzyme coding sequences of the tryptophan operon. Select the letter on the right that describes the effect.
Assume you are studying genes and DNAsequences involved in the regulation of the grandoperon. When your lab's strain of e. coli are in the presence of the sugar "grandiose," transcription of 2-enzymes grandAand grandB increases.
In his studies of glucose metabolism by yeast, Louis Pasteur discovered that the sudden addition of oxygen (O2) to a previously anaerobic suspension of yeast in grape juice resulted in a dramatic decrease in the rate of glucose consumption.
Discuss the differences you have noticed between old and new Food Pyramid. Provide your opinion if you believe new Food Pyramid will be successful in modifying the eating habits of Americans or not.
The citric acid cycle evolved from preexisting metabolic pathways. Evidence includes organisms that do not use the citric acid cycle, but have genes coding for enzymes used in the citric acid cycle
Discuss the difference between DNA methylation and histone methylation? I understand that both include the repression of genes and that DNA methylation occurs at CpG islands.
Application of an insecticide to control mosquito populations in malaria infested areas quickly resulted in a dominant mutation, R, resulting in insecticide resistance.
(PTC) tasting is dominant (T) to nontasting (t). If a taster woman with a nontaster father produces childeren with a taster man, and the man previously had a nontaster daughter, what would be the probability that if they had six children, they wou..
The idea is that this arrangement will allow animals and plants to migrate between refuges. Why would such migration be significant. Examine the F1 offspring from this cross.
Alkaline phosphatase is used clinically to help with diagnosis of many diseases. List three conditions, that may be diagnosed by measuring the levels of this enzyme in serum.
An achondroplastic male dwarf with normal vision marries a color-blind woman of normal height. The man's father was six-feet tall, and both the woman's parents were of average height. Achondroplastic dwarfism is autosomal dominant, and red-green c..
Draw the peptide ATLDAK at pH7. What is its net charge? What is its approximate pI?
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