Definition
noun
The synthesis of a poly a tail at the end of an RNA molecule.
Supplement
The adding of a poly-A stretch at the end of mRNA helps protect the mRNA from degradation by exonucleases in the cytoplasm, and also helps in transcription termination, export of the mRNA from the nucleus, and translation.
The process is catalyzed by the enzyme, polyadenylate polymerase (PAP).
See also: adenine, mRNA.
Dictionary > Polyadenylation
You will also like...

Biosecurity and Biocontrol
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..

Freshwater Community Energy Relationships – Producers & Consumers
This tutorial looks at the relationship between organisms. It also explores how energy is passed on in the food chain an..

Psychiatry & Mental Disorders
Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..

Sigmund Freud and Carl Gustav Jung
In this tutorial, the works of Carl Gustav Jung and Sigmund Freud are described. Both of them actively pursued the way h..

A Balanced Diet – Carbohydrates and Fat
Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..

Genetic Mutations
This tutorial looks at the mutation at the gene level and the harm it may bring. Learn about single nucleotide polymorph..