Do you ever wonder why scientists spend time looking for water on other planets? It…

Introduction Voltage-gated sodium channels are responsible for action potential initiation and propagation in excitable cells,…

Receptors are transmembrane proteins that enable the transfer of chemical signals from the cellular outer…

Ligand-gated ion channels (LGICs) are integral membrane proteins that contain a pore which allows the…

ATP-powered pumps (ATPases) couple the splitting, or hydrolysis, of ATP with the movement of ions…

One of the fundamental difference between the plasma membrane and the cell wall is in…

According to cell theory, cells are the main unit of organization in biology. Whether you are…

Cell membranes surround every cell you will study. Cell walls made of cellulose are only found around plant…

Sisterhood of the Traveling Proteins Part II Experiment from last lecture reviewed. ·         It is possible…

Active transport describes what happens when a cell uses energy to transport something. We're not talking about phagocytosis (cell eating)…