Intercalating agents, such as ethidium bromide and proflavine, are molecules that
may insert between bases in DNA, ...
Mutagenic agents. I. electromagnetic radiation. a. x-rays and gamma rays. cause
breaks in phosphodiester bonds and result chromosome mutations like ...
Mutagenic agents can be classified into three categories: physical (e.g., gamma
rays), chemical (e.g., ethyl methane sulphonate) and transposable elements ...
Jun 14, 1999 ... We can distinguish these from induced mutations; those that occur as a result of
interaction of DNA with an outside agent or mutagen.
Mutagens may be of physical, chemical or biological origin. They may act directly
on the DNA, ... What is the main role of mutagenic agents? What examples of ...
Many mutagenic agents cause cancer, and are dually classified as carcinogens.
While mutant agents cause artificial changes in genetic codes and replication, ...
Jul 1, 2014 ... DNA is under a constant stream of attack from various exogenous and
endogenous sources. Each mutagen can cause damage either directly ...
Chemical mutagens are classified as alkylating agents, cross-linking agents, and
polycyclic aromatic hydrocarbons (PAHs). Alkylating agents act by adding ...
A BBC Bitesize secondary school revision resource for Higher Biology on
mutations: gene and chromosome mutations, mutagenic agents, polyploidy.
An agent, such as a chemical, ultraviolet light, or a radioactive element, that can
induce or increase the frequency of mutation in an organism.