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In class, we discussed how H146 of the β-chain of normal adult hemoglobin ends up in close proximity to D94 on the same chain when oxygen is delivered to the tissues. In hemoglobin Hiroshima, however, H146 on the β-chain has been changed to a D through mutation.
a) What effect, if any, does this mutation have on oxygen binding by hemoglobin Hiroshima, compared to normal hemoglobin? Explain. Hb Hiroshima will bind O2 easier. (You explain why).
b) What effect, if any, does this mutation have on the Bohr Effect of this mutant hemoglobin? Explain. This mutation will weaken the H+ portion of the Bohr effect, but will have no consequence on the CO2 portion of the Bohr Effect. (You explain why for both).
At the official announcement of completion of the draft human genome (choose all that apply).
An organism is discovered that consumes a considerable amount of sugar, yet does not gain much weight when denied air. Curiously, the consumption of sugar increases as air is removed from the organism's environment, but the organism seems to thrive e..
Assume y ou are studying a gene, and its effects on skin cells. You want to find out if the protein made encoded by this gene binds to DNA in a particular place
Ultraviolet rays are potentially harmful to us primarily dueto their
In a single neuron, amplitude of an action potential does not depend on the strength of the stimulus. However, in your experiment, as you increased stimulus strength the amplitude of the response changed.
Select an article from a magazine or newspaper that has something in it that pertains to biology. This will serve as the "target article" for this assignment.
"life is homeostatic". What does this mean and how does the human body achieve homeostasis. Provide examples to support your explanation.
An amphibian that lives in a swamp has thirty fold more DNA than a human who lives on the forty-eight floor of luxury apartment apartment complex.
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Define your assigned concept and include an appropriately formatted citation. Explain how installing water wells in remote villages represents an expression of your assigned concept.
Explain why exercise reduces the amount of insulin required to transport glucose into cells? (Citation and source of info recommended)
You have been asked to use your modeling skills to make recommendations for how to increase the population size of a threatened leafhopper species.
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