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==Diffusion Through Water Filled Protein Channels==
 
==Diffusion Through Water Filled Protein Channels==
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This family of ATPase membrane proteins tend to be involved in [[Active Transport - Physiology#Secondary Active Transport|secondary active transport]].  They bind two molecules and transport them across the membrane either in the same direction ('''symporter''') or in opposite directions ('''antiporter''').  The [[Active Transport - Physiology#Development of Potential Energy|potential energy]] derived from forcing one molecule across this allows the other co-transported molecule to be transported against its gradient.
 
This family of ATPase membrane proteins tend to be involved in [[Active Transport - Physiology#Secondary Active Transport|secondary active transport]].  They bind two molecules and transport them across the membrane either in the same direction ('''symporter''') or in opposite directions ('''antiporter''').  The [[Active Transport - Physiology#Development of Potential Energy|potential energy]] derived from forcing one molecule across this allows the other co-transported molecule to be transported against its gradient.
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[[Category:Transport Across Membranes]]
 
[[Category:Transport Across Membranes]]
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