Why can it transport ions across cell membranes
Consider the structure of valinomycin, why can it transport ions across cell membranes and disrupt the ionis balance of the cell?
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Why is a large steroid molecule such as oestrone able to cross the cell membrane and a smaller steroid molecule sich as adrenaline can not?
Water flows through a horizontal section of 5cm diameter pipe. The pressure drop over 10m is 4kpa. What is the head loss coefficient k, and what is the Darcey-Weisbach coefficient?
What is the ratio of n(h)/n(0) of the density n(h) of molecules at height h to the density n(0) of molecules at height 0 ? Hint: use Maxwell-Boltzmann statistics and consider the gravitational potential energy of each molecule U(h) = mgh.
Suppose you are given data from a survey showing the IQ of each person interviewed and the IQ of his or her mother. That is all the information you have. Your boss has asked you to put together a report showing the relationship between these two v
To what value must the speed v of the rod be adjusted to reestablish the emf induced between the ends of the rod at its initial value?
A manufacturing company makes windows for use in commercial buildings. The standards for glass thickness call for the glass to average 0.375 inches with a standard deviation of 0.049 inches. A random sample of 49 windows was chosen. If the windows
The other sample has a bit of dislocations. Which of the two samples would you expect is more likely to shatter when hit with a hammer? why?
A random sample of 75 aluminum cans is selected from a large shipment and each is tested for strength.
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