1 Membranes separate their contents from the environment. 2  Cell membranes separate the cell contents from its environment, and organelle membranes separate the organelle contents from their environment. 3  Membranes regulate the movement of materials through them.
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Now, physician scheduling software company QGenda will relocate from the Perimeter area to a 29-story Buckhead office tower, as it doubles its workforce. QGenda's web-based service helps hospitals keep staffing costs down through efficient physician scheduling. Hospitals must maintain a certain number of on-call physician specialists â such as anesthesiologists, radiologists and cardiologists â to ensure patients get care, QGenda CEO Greg Benoit said.