1Department of Biochemistry, Faculty of Medicine, International University of Africa, Khartoum, Sudan
2Department of Zoology, Faculty of Science, University of Khartoum, Sudan
3Department of Biochemistry, Faculty of medicine, University of Khartoum, Sudan
*Corresponding Author:
Mohammed Mohammed EA, Department of Biochemistry, Faculty of Medicine, International University of Africa, Khartoum, Sudan Email: