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The ion gradients maintained across the plasma membranes of most cells play a significant role in cellular energetics. Ion gradients are often either generated by the hydrolysis of ATP or used to make ATP by the phosphorylation of ADP.
a) cite an example in which ATP is used to generate and maintain an ion gradient. What is another way that an iron gradient can be generated and maintained?
b) Cite an example in which an ion gradient is used to make ATP. What is another use for ion gradients?
For a given reaction, G = -4 kcal/mole and the energy of activation for the uncatalyzed reaction = 5 kcal/mole. You add an enzyme, after which the activation energy decreased to 3 kcal/mole.
why aren't the results reported in the Hebblewhite et al.2005 paper also correlative.
Note that that some reactions that take place in cells have a positive delta G'. What are two ways such reactions can be "driven forward"?
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While you measure the genotype frequencies of the population you get the following data. What will the frequency of Aa be in the next generation.
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