Thursday 27 July 2017

SOS REPAIR MECHANISM

Sos repair;

*The sos response is a global response to DNA damage in which the cell cycle is arrested and DNA repair and mutagenesis are included.

*The system involves the RecA protein. The RecA protein, stimulated by single -stranded DNA is involved in the inactivation of the LexA there by inducing the response. It is an error- prone repair system that is attributed to mutagenesis.

*The system can quickly repair extensive damage caused by agent such as UV radiation.

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Lipids

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