Gated ion channels
Ligand-gated ion channels form a pore through the plasma membrane that opens when a signaling…
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G-protein-coupled receptors
G-protein-coupled receptors are transmembrane proteins that act as molecular switches by converting between on and…
Oxygen group
The oxygen group is the VIA group on the periodic table that contains oxygen. The…
Metals and non-metals
Metals and non-metals differ in chemical and physical properties. Metals Metals are found on the…
Representative elements
The representative elements are the A elements found in groups IA – VIIIA. Representative elements…
Transition metals
Transition metals are metallic elements in groups IB – VIIIB characterised by metallic bonding, coloured…
Noble gases: their physical and chemical characteristics
Noble gases are the gaseous elements that occupy group VIIIA and are characteristically interactive due…
Halogens: their chemical characteristics
Halogens are nonmetallic elements found in group VIIA forming -1 ions and having a valency…
Alkali Metals
An alkali metal is an element present in group 1A of the periodic table defined…
Endothelial cells
The endothelial cells are present in the walls of the blood vessels that help in…