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Question: A necessary and important feature of RNA polymerases is their ability to target promoters in order to initiate transcription efficiently and properly. Compare and contrast how this targeting is accomplished in prokaryotic versus eukaryotic cells.
A Drosophila experiment analyzing linkage of X-linked genes studied a recessive eye mutation, a recessive wing-vein mutation, and a recessive bristle mutation
If a cube representing the cell is 5um on a side, compute the surface area to volume ratio, and explain why this is or is not a good size for a cell.
Why can prakaryotes quickly re infect a patient if they are not wiped out? How may this result in the evolution of drug resistant pathogens.
If wind blows at 35 m/s^2 over the house, what is net force on the roof if its area is 240 square meters and the roof is flat? Show all work, with equation and substitution units.
Discuss common pathways of DNA mutation – chemical – slippage during replication – keto, enol flux, physical energy.
Discuss and explain a parallel arrangement of the circulatory system and why is it functionally important?
Our digestive and urinary systems process our food and body waste to remain our bodies nourished and functioning. Poor diet and hygiene can compromise our digestive and urinary systems,
Which is the ratio of dividing cells to the total number of cells in the sample. Scientists frequently calculate mitotic index to evaluate the growth rates of different types of tissue. Which type of tissue would have a higher mitotic index, normal t..
Determine the possible DNA sequences that produced the four amino acids in the molecules
Think about another population of the same flower, but in this case there is another incompletely dominant blue allele in addition to red and white alleles.
Surface areas are important in biology because it constrain rates of transfer of light, heat, water, gases, food, forces, etc. Discuss and contrast the location, orientation and size of two surface areas.
Tina is consuming 12 mg of iron per day. Her RDA is 15 mg. She has no condition warranting a greater-than-normal need for iron. Which of the statements is true about her consumption of this nutrient.
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