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Explain how a mutation could inhibit the binding of sigma factor to DNA. Describe two specific base substitutions you think would inhibit the binding of sigma factor. Explain why you think your base substitutions would have this effect.
Present 2 factors contributing to the solid waste problem in the US. How could these factors be changed or controlled for the better. What problems are there with current recycling efforts.
If this is the case, what sequence is generated in the taster versus non-taster in the PCR product? Why is this important to the experiment?
the best way to describe how oxidation energy is converted to ATP energy during glycolysis is by a. feedback inhibition b. allosteric conformation c. allosteric activation d. substrate-level phosphorlation.
The recipe for 10x TBE buffer is 890 mM Tris, 890 mM boric acid, 20 mM EDTA. What is the concentration of 1x TBE buffer?
What approach would use to isolate only cells. For each of the SLP assignments, you will be provided with a hypothetical experimental scenario or data. These assignments are more opened-ended than the case assignments.
What would happen to the regulation of the tryptophan biosynthesis enzymes in cells that express a mutant form of Trp repressor that (i) cannot bind to DNA or (II) binds to DNA even if no tryptophan is bound to it?
Which of these lipids are amphiphilic? Explain why or why not based on their structures.
A standard curve of absorbance as a function of oxidized DPIP concentration in ug/ml gives the following equation for the trend line: Y=.5X. The reaction volume was 7ml.
State the rate of growth of population of bacteria? State the initial population at time t = 0 hours?
One of the most puzzling questions in biology is how multi-cellularity arose. Explain the conditions under which having a body with more than one cell would have been adaptive.
Write a single balanced chemical reaction that represents the net conversion of ?-ketoglutarate to fumarate, and the two corresponding half cell reactions (also balanced). Show How you got the answer please.
How does the kidney affect blood pressure by regulating salt and water excretion?
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