How lac operon turned off
Describe how the lac operon is turned off in the absence of lactose. Describe the state of the lac operon when bacteria are in media by both glucose and lactose.
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Try to think of original analogies for other organelles or cell structures like Golgi, lysosomes, the cell wall, cell membrane, endoplasmic reticulum, ribosome, nucleus and so forth. Comprise where your analogy might be less than perfect.
The demand for company X's product is given by Qx=12-3Px+4Py . Suppose good X sells for $3.00 per unit and good Y sells for $1.50 per unit.
In brief describe the difference between stabilizing selection, directional selection, and disruptive selection. Explain why are layers of sedimentary rocks particularly helpful for geochronology?
Assume the government decides to implement a tax on cigarette manufacturers in order to raise the price of cigarettes. How much does the amount of smoking respond to changes in the price of cigarettes? Be sure to explain your answer using the conc
Illustrate the effect of an increase from 1998-1999. How would the increase in demand affect the price? How would the price effect depend on the price elasticity of supply? Please explain how. (Explain the illustration instead of actually drawing
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How do concepts of accounting profit and economic profit differ? Why is economic profit smaller than accounting profit? What are the three basic sources of economic profit? Classify each of the following according to those sources:
Assume that someone told you that an increase in the price of DVD players caused a decrease in the demand for DVDs. Is this what you would predict? Why or why not?
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