L8-BIOLOGY I-BIOL 231-Kingdom Protista.pdf L4-BIOLOGY I-BIOL 231-prokatotes-Bacteria.pdf L2_BIOLOGY I-BIOL 231-introduction to biology.pptx L3_BIOLOGY I-BIOL 231-microscopy and resolution.pdf L12-Stem Cell and pluripotent stem cells L6-Ozone layer depletion and chlorofolor carbon cfc.pdf Ch. 9 Mitosis F17-mitosis and meiosis.ppt organization of human body-General Biology-L2.pdf Environment and different Ecosystems.pdf Ozone layer depletion-chloroflorocarbon CFC Microbial biodiversity (summerized).pptx Characteristics of International Environmental Problems.pdf Requirements for Bacterial growth and development 
