News tagged with cellular membrane

Ice Gets Bent Out of Shape

For the first time, scientists have built completely flat, two-layer ice. While theoreticians have predicted that such ices are formed by squeezing water molecules between two surfaces, scientists at Pacific ...

Sep 09, 2009
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How protein receptors on cells switch on and off

Cornell researchers have provided new insight into the molecular mechanism underlying an essential cellular system. They have discovered how receptors on cell surfaces turn off signals from the cell's environment, ...

Jan 16, 2009
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Another piece of the ion pump puzzle

From bacteria to humans, all cells use molecules of adenosine triphosphate (ATP) as fuel to power a broad range of biochemical reactions. For example, massive multi-subunit enzymes known as V-ATPases convert ...

Mar 16, 2012
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How muscle cells seal their membranes

Every cell is enclosed by a thin double layer of lipids that separates the distinct internal environment of the cell from the extracellular space. Damage to this lipid bilayer, also referred to as plasma membrane, ...

Mar 14, 2012
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