Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.

Dissociation constant

From Biology-Online Dictionary | Biology-Online Dictionary
Jump to: navigation, search

Definition

noun

(1) A mathematical constant that describes the tendency of a large molecule to dissociate reversibly into smaller components.

(2) The equilibrium constant in a dissociation reaction.


Supplement

Dissociation constant is a type of equilibrium constant that specifically involves the measure of the propensity of dissociation of a complex molecule into its subcomponents. An example of its application is to describe how tightly a ligand binds to a particular protein.


Also called: equilibrium dissociation constant, ionization constant.

Symbol: Kd

Compare: association constant