Wednesday, April 29, 2015

Year 9 - Biology - 29-4-15

         Thai Sikh International School
Year – 9A/B                    BIOLOGY                        Date –
1)Distinguish
                 Antiseptic
               Antibiotic
               Antigen 






            Antibody
             Resistance
            Immunity
       Bacteriocidal



           
       Bacteriostatic
          Penicillium
        Penicillin




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