Fully configurable 17.3 mobile workstation with best-in-class power and storage. Includes Windows 7 Professional and a AMD video card with enough power to take on tough jobs like graphics and database management. Save 30% off on select Dell Precision M6800. 2  Free Upgrade to Windows 10. 3  Save 30% off on select Dell Precision M6800. 4  Free Upgrade to Windows 10. 5  Save 30% off on select Dell Precision M6800. 6  Free Upgrade to Windows 10.
(January 2009). A membrane transport protein (or simply transporter) is a membrane protein involved in the movement of ions, small molecules, or macromolecules, such as another protein, across a biological membrane.January 2009). A membrane transport protein (or simply transporter) is a membrane protein involved in the movement of ions, small molecules, or macromolecules, such as another protein, across a biological membrane.
Active transport is a process that requires a lot of ATP, as it's the movement of substances against a concentration gradient. An example of this- energy from ATP may be used by carrier proteins to move molecules into the cell against the gradient.