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Consider two imaginary cells. Both are cube shaped (the same dimension in all directions) The first cell has a side length of 10 micrometers. The second has a side length of 100 micrometers. Calculate the surface areas and volumes of both of these cells then calculate the sa/v for each of them. The SA, V and Sa/V dived out of each of theses cells. which one of these would be most efficeint at feeding itself? Why? If we added a third cell with a side length of 50 micrometers how would its feeding efficiency compare to our first two cells ( no calculations needed) Why ?
Finally if our least efficient cell needed to increase its feeding effiency to match the most efficient cell what is one way it might do it? Oh - that's without actually changing its volume. Be specific about how the cell must change.
Differentiate between pressure and force. Explain how pressure predicts that spiked heels will sink into a lawn while flat heeled shoes will not.
In the past, people infected with Hansen's disease were committed to leprosariums to prevent the spread of the disease. Explain why do you think that once treatments became effective.
Explain how the kidney increases blood pressure through aldosterone secretion. Start with angiotensinogen and end with increased BP. A flow chart/diagram is recommended
What would happen to respiration if we add a buffer or base to the external environment of the bacteria (assume bacteria is in a closed environment like a tube) How would this affect the mechanism of respiration
Identify the importance of the IOM "Future of Nursing" report related to the nursing workforce and discuss the intent of the Future of Nursing: Campaign for Action.
How is the DNA of prokaryotes organized? In chromosomes? If so, how many, what shape? what are the characteristic shapes of individual bacteria cells? Give Latin and English terms.
Describe how an allergic response occurs, including the sensitization stage, and the role of IgE antibodies in this process.
One day you are home visiting your grandmother and she asks you about an article she read that details a murder conviction based on DNA evidence yet she doesn''t really understand it.
The Drug Discovery corporation has developed a compound X that binds and activates TSH receptors with a very high affinity. A thirty year-old XY subject that has been taking very high daily doses.
define the genetic information in the nucleus. The protein is partially glycosylated within the lumen of ER
A microbiologist found a new restriction endonuclease. When DNA is digested by this enzyme, fragments that average 1,048,500 bp in length are produced.
A dye has an extinction coefficient of 5.5x10 Mcm at 350 nm. What is the concentration of an unknown solution of this dye if observed absorbance was to be 0.25 at 350 nm in a 1.5 cm cuvette?
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