NAME: Mmoloki B Mmalane ID: 201001804 COURSE: BIO216 PRACTICAL 2: omnipresence OF MICROORGANISMS DATE: 16-02-2012 INVESTIGATING THE UBIQUITY OF MICROORGANISMS INTRODUCTION The phrase, ubiquity of microorganisms, refers to the invention that microorganisms ar everywhere. well-nigh microorganisms occupy a diversity of niches, e.g Achaea arse smash in hot springs where temperatures atomic number 18 extremely high, and other microorganisms can expire in unbendable rocks (Achey, 1999). Microorganisms be very diverse, they embarrass bacteria, fungi, Achaea and protists. Bacteria can live everywhere because there are so many oppositeness species all adapted to different purlieus, and can colonize that environment. They are microscopic microorganisms that comprise each a single booth or cell clusters. Some microorganisms are in effect(p), whereas around are harmful. According to Pelczar (1977), harmless and beneficial bacteria come the harmful varieties . Microbes are vital to the environment because they participate in the earths element cycles much(prenominal) as carbon and due north cycles. In this study, the ubiquitous constitution of microorganisms was investigated and apprized. In order to moderate pure cultures from these mixed colonies in the environment, several techniques are operable to use.
In this experiment, pour home office and spread abode techniques were employed to obtain pure cultures from the earth sample. Microorganisms from the mouth and assign were obtained by rubbing sterile like tipped applier sticks on the teeth and palm of th e hand and the rubbing the applicant sticks ! on the surface of nutrient nutrient agar and mannitol salt agar, respectively. Therefore, the aim of this study was to examine and appreciate the showcase of microorganisms found in soils, mouth and hands and to estimate their quantities. METHODS In this experiment, microorganisms were harnessed from the body (mouth and hands) and soil sample. Sterile cotton vegetation tipped applicator was used to transfer microorganisms...If you want to develop a full essay, order it on our website: OrderCustomPaper.com
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