Posted inCell Biology
Water
Do you ever wonder why scientists spend time looking for water on other planets? It…
Posted inBasics
Chemical Bonds
How elements interact with one another depends on how their electrons are arranged and how…
Posted inBasics
Carbon Dating
Carbon-14 (14C) is a naturally occurring radioisotope that is created in the atmosphere by cosmic…
Posted inCell Biology
Voltage-gated sodium channels
Introduction Voltage-gated sodium channels are responsible for action potential initiation and propagation in excitable cells,…
Posted inCell Biology
Receptor Agonists and Antagonists
Receptors are transmembrane proteins that enable the transfer of chemical signals from the cellular outer…
Posted inCell Biology
Ligand-gated ion channels
Ligand-gated ion channels (LGICs) are integral membrane proteins that contain a pore which allows the…
Posted inCell Biology
ATP-powered Pumps
ATP-powered pumps (ATPases) couple the splitting, or hydrolysis, of ATP with the movement of ions…
Posted inCell Biology
Difference between Cell Wall and Cell Membrane
One of the fundamental difference between the plasma membrane and the cell wall is in…
Posted inCell Biology
Cell Membranes
According to cell theory, cells are the main unit of organization in biology. Whether you are…
Posted inCell Biology
Cell Wall
Cell membranes surround every cell you will study. Cell walls made of cellulose are only found around plant…