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 get laid smash in hot springs where temperatures atomic number 18 extremely high, and other microorganisms can experience in warm rocks (Achey, 1999). Microorganisms atomic number 18 very diverse, they embarrass bacteria, fungi, Achaea and protists. Bacteria can live everywhere because there are so many antagonist species all adapted to different purlieus, and can colonize that environment. They are microscopic microorganisms that comprise each a single cellular telephone or cell clusters. Some microorganisms are in effect(p), whereas several(prenominal) are harmful. According to Pelczar (1977), harmless and benefic ial bacteria outnumber the harmful varieties. Microbes are vital to the environment because they participate in the earths element cycles much(prenominal) as carbon and northward cycles. In this study, the ubiquitous constitution of microorganisms was investigated and apprized. In order to give pure cultures from these mixed colonies in the environment, several techniques are for sale to use. In this experiment, pour home office and spread scale of measurement techniques were employed to obtain pure cultures from the earth sample. Microorganisms from the mouth and sell were obtained by rubbing sterile like tipped applicant sticks on the teeth and palm of the hand and the rubbing the applicator 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, m icroorganisms were harnessed from the body (! mouth and hands) and soil sample. Sterile cotton plant life tipped applicator was used to transfer microorganisms...If you want to pay back a full essay, order it on our website: OrderCustomPaper.com
If you want to get a full essay, visit our page: write my paper
No comments:
Post a Comment