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Think about the trp operon. For each situation below, indicate whether the cell will synthesize the enzymes coded by trpE, trpD, trpC, trpB, and trpA and be able to synthesize trypophan.Can tryptophan be synthesized in the cell for the following (yes or no answer):A mutation in the promoter: RNA polyermase cannot bind.A mutation in the operator: cannot bind the repressor.A mutation in trpR: its product (the repressor) is nonfunctional.A mutation in trpD: the enzyme product is inactive.
Explain the advantages of Nitrogen fixing plants to the humans and its role within the ecosystem in detail. Browse the Internet and select a way (other than giving the oxygen) that plants are useful to the humans.
Describethe results, in the context of the rate of electron flow through the thylakoid membrane, and is the light saturation effect taking place, based on my results.
Ethanol is supplied in a 95 percent solution. You need 50mL of 70 percent Ethanol for your experiment. How would you make this solution?
Explain the physiological connections between calcium blood levels and the actions of calcitriol, calcitonin, and parathyroid hormone. What are the dangers if one of these is not working properly? Now consider large number of postmenopausal women tak..
The forward primer was provided by the manufacturer as a lypophilized powder. If the manufacturer delivers 127.4 nmoles of this primer.
Using the data given in table below draw a Lineweaver-Burk plot.
An ecologist observed that sugar maples seemed to dominate the understory of a forest while the larger trees were mainly white oaks. Are the maples replacing the oaks?
In horse, black coat colour is influenced by the dominant allele (B) and chestnut coat colour by the recessive colour (b). Trotting gait is due to dominant gene (T), pacing gait to the recessive allele (t). What colour horse would you use to find out..
now a days, scientific advances are being made at an astounding rate, and nowhere is this more evident than in our understanding of the biology of heredity. Using DNA as a starting point, do you believe there are limits to the knowledge people sho..
What is the phenotypic ratio you would expect to see in the F2 generation if you were following a sex-linked trait? An autosomal trait? Two autosomal dominant characters (dihybrid cross).
If there 2000 offspring from this cross, how several of the offspring will you expect to show Ab or aB phenotypes. If the estimated output is 30000 units, which machine must be purchased.
Determine which of the following pairs of functional groups CANNOT react with each other by a dehydration reaction?
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