Page 199 - MNU microbiology theoritical 2025
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General Microbiology & Immunology (PM 401)         Second level                Semester 4                    2024/2025







































                                                        Mutagens

                  Agents can cause mutation by damaging DNA.
                  •  Mutagens can be classified into:


                     A- Physical mutagens.
                    B- Chemical mutagens.



                    A- Physical mutagens.

                               1- UV rays.

                               2- Ionizing radiation: X ray















                  General Microbiology & Immunology (PM 401)   theoretical handbook            Page 188
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