There can be several hundred types of ion channels within a single cell. mutations within these channels are known to cause many different diseases, collectively known as channelopathies. with this in mind, discuss whether the many channels provide redundancy within the cell or if they cater to specific, independent functions.

Agas mixture with a total pressure of 745 mmhg contains each of the following gases at the indicated partial pressures: co2, 245 mmhg ; ar, 119 mmhg ; and o2, 163 mmhg . the mixture also contains helium gas. part a what is the partial pressure of the helium gas? phe p h e = nothing mmhg request answer part b what mass of helium gas is present in a 10.2-l sample of this mixture at 283 k ? m m = nothing g request answer

Anthracite is so hard and pure it is also referred to as a renewable resource metamorphic rock hot bituminous coal dirty fuel

Which of the following is a chemical property of water at 4 c