Dictionary > Overhang

Overhang

Definition
noun
(molecular biology) Unpaired nucleotide(s) in the end of a DNA molecule, which may be produced by a staggered cut on the DNA using a restriction enzyme.
(dentistry) An excess of filling material projecting beyond the cavity margin or normal tooth contour.
verb
To hang across or beyond; be suspended over.
Supplement
In molecular biology, an overhang can be in either strand of a DNA molecule. Thus, a 3′ or 5′ overhang may be produced. An overhang may only be a single unpaired nucleotide in the end of DNA or a longer stretch of unpaired nucleotides like in cohesive end.
Related forms: overhangs (verb: simple present), overhanging (verb: present participle), overhung (verb: past, past participle).
Compare: blunt end (molecular biology).

See also: sticky end, restriction enzyme.


You will also like...

Developmental Biology
Developmental Biology

Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..

Carbohydrates, fats and proteins - dietary sources
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..

Human perception in action
Human Perception – Neurology

This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..

Ecological Research Measuring & Analysis
Ecological Research: Measuring & Analysis

This lesson is about the methods used for ecological research, such as quadrat and transect sampling, canopy fogging, an..

Photosynthesis and respiration
Plant Metabolism

Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..

genes controlling growth and development
Control of Growth & Development

Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..

Related Articles...

No related articles found

See all Related Topics