Documents CELLS & THEIR ENVIRONMENT Review: Cell (or plasma) membrane – is composed of a lipid bi-layer with...

Slide 1 CELLS & THEIR ENVIRONMENT Review: Cell (or plasma) membrane – is composed of a lipid bi-layer with embedded proteins that float. The cell membrane is a selectively…

Documents Cell Transport Mechanisms. Moving molecules across the Cell Membrane Two methods: Passive Transport....

Cell Transport Mechanisms Moving molecules across the Cell Membrane Two methods: Passive Transport Active Transport Does not expend energy Does expend energy Passive Transport…