Digital Marketing is the pratice of promoting products and services using database-driven online distribution channels to reach consumers in a timely, relevant, personal and cost-effective manner. Broadband Internet, WiFi and phone Web access are also spurring growth worldwide.
The plasma membrane is an outer boundary and functional traffic-cop of every biological cell. Just like the outer layers of multicellular organisms, its primary function is to contain, protect and provide unit structure.
Plasma membrane. Definition. noun. The cellâs outer membrane made up of a two layers of phospholipids with embedded proteins. It separates the contents of the cell from its outside environment, and it regulates what enters and exits the cell.Supplement. In animals the plasma membrane is the outermost covering of the cell whereas in plants, fungi, and some bacteria it is located beneath the [[cell wall].Word origin: plasma: from Greek, from plassein, to mold.lasma membrane. Definition. noun. The cellâs outer membrane made up of a two layers of phospholipids with embedded proteins. It separates the contents of the cell from its outside environment, and it regulates what enters and exits the cell.