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Mutagen in Biological Dictionary

Mutagen

... In biology, a mutagen is a physical or chemical agent that changes the ... cause cancer, mutagens are typically ... mutagen ( ) n. An agent, such as a chemical, ultraviolet ... or increase the frequency of mutation in an mutagen any agent (physical or environmental) that can ...

Sub-cloning

... restriction sites and tedious sub - cloning procedures make it ... method for cloning protein domain and sub -domains after random mutagen ... The solution from the cuvette is diluted and then plated on a large 9x9-inch ... This is incubated at 37°C for 18-20 hours. Only those cells ...

Gene knockout

... gene modification): knockout mouse (KO mouse), knock ... ... Gene Knockout ... The gene knockout strategy involves using a random mutagen ... produce a small deletion (100-1000 bp) in any gene of interest. ... ...

Ethidium Bromide

... to the drain. ... Follow these procedures for working with ethidium bromide safely. ... Ethidium bromide (C21H20BrN3) is a potent mutagen used as a nucleic acid stain. ... Safety shower and eye wash should be easily accessible where ethidium bromide is used. ... Trace amounts ...

Ames test

... professor of ... The Ames test uses a mutant strain of Salmonella typhimurium which cannot grow ... By definition in the Ames test , a mutagen is any chemical agent which induces ... The spot-overlay Ames test of potential mutagens allows us to address ... mind, Bruce Ames and his ...
Other Contents
(Date:8/29/2014)... . The ... oldest form of communication. Acting as messenger molecules, pheromones ... attraction between males and females. Fish rely on pheromones ... in males and females. Scientists at the Marine Science ... Portugal, and at the Max Planck Institute for Chemical ...
(Date:8/29/2014)... USA - The rise of the Tibetan plateau -- ... -- is important for both its profound effect on ... study published in GSA Bulletin , Katharine Huntington ... isotope thermometry -- using modern and fossil snail shells ... in southwestern Tibet. , Views range widely on ...
(Date:8/28/2014)... new study reports that an expansion of marine protected ... key ecological functions. According to investigators from the ... protecting fish have focused on saving the largest numbers ... that provide key and difficult-to-replace ecological functions. ... performed by fish species that also are food for ...
Breaking Biology News(10 mins):Ready for mating at the right time 2Ready for mating at the right time 3Snails tell of the rise and fall of the Tibetan Plateau 2Snails tell of the rise and fall of the Tibetan Plateau 3Snails tell of the rise and fall of the Tibetan Plateau 4Snails tell of the rise and fall of the Tibetan Plateau 5Snails tell of the rise and fall of the Tibetan Plateau 6Snails tell of the rise and fall of the Tibetan Plateau 7Study finds marine protected areas inadequate for protecting fish and ocean ecology 2
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