Thursday 27 July 2017

MUTAGEN

MUTAGEN Definition :

It is Physical or Chemical agent that changes the genetic material are usually the DNA of an organism .

     Types of mutagen :
                      1. Physical mutagen : X-RAY , Alpha particles. It many cause DNA brackage .
                      2. Chemical mutagen : Nitrous acid - It cause transition mutation by converting cytosine to Eurasian.

                      3. Biological mutagen : e.g; viruses- inserted into the genome and disturbs genetic function.

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Lipids

Lipids; It is saturated and unsaturated. Saturated; Milk, butter, coconut oil , phone oil. Unsaturated; Butter, margarine