Attometer

A unit of volume equal to one quintillionth of a liter (10E-18 liter) or one cubic micrometer.

The metric unit of mass equal to one a quintillionth of a gram (10E-18 gram).

A unit of radioactivity defined as 3.7E-8 atomic disintegrations or other nuclear transformations per second or one quintillionth of curie (10E-18…

A prefix indicating a quantity of a quintillionth, 10E-18.

An electrical device designed to reduce the strength of a signal.

The G-protein coupled receptor (GPCR) family transduces extracellular signals across the plasma membrane, activating cellular responses through a variety of second messenger…