The plasma membrane is essentially a barrier that separates the interior of the cells from the outside environment. Plasma membrane is also known as a cell membrane. The cell wall is a tough layer, which may...

Mhz and Ghz both are used to denote frequency units. Mhz stands for megahertz (10^6 hertz) whereas Ghz stands for gigahertz (10^9 hertz).

A metropolitan city refers to a densely populated city that is well linked with its suburban areas whereas a metro or metropolitan area consists of a a metropolitan city and also includes its associated...

A city is a large and permanent settlement covering a significant area of land. Town is a human settlement that is bigger than a village but smaller than a city. The requirements for a town to be considered as...

A city is a large and permanent settlement covering a significant area of land whereas a metro or metropolitan area consists of a densely populated urban core area and also includes its associated suburbs and...