Ion pumps

From pgysiology it is well known that the concentration gradient of sodium and potassium ions across the cell membrane, determine ... the membrane of the body have powerful sodium-potassium pump that continualy pumps sodium ions to the outside and potassium ions to the inside of the cell. ...

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... in crabs is obtained by what methods, other than Sodium Potassium Ion Exchange Pumps and concentrated urine?

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Hi emmabarrie, Answers to most of your questions can be found at http://www.atpsynthase.info/ "What kind of work can ATP ... the type of enzymes it binds to). Myosin uses ATP to make mechanical work; ion pumps use ATP to make transmembrane concentration gradients, etc.

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... the only "holes" that are present in the cell membrane are ion channels, which have a tiny hydrophilic channel in the center that only ... ion. Other polar molecules pass through other passage proteins (pumps/permeases). Macromolecules (proteins, polynucleotides, polysaccharides) ...

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... some are capable of using light to generate energy by light-driven ion pumps such as bacteriorodopsin(protons) and halorodopsin(chloride). @deostroll No. Photosynthesis ...

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