Upload NowAfter reading this article you will learn about observing and examining micro-organisms. Observation of Microbes in Hanging Drop: This method is used for the study of motility, germination or fission of micro-organisms which is not possible when they are killed and fixed in stained preparations. For this observation the following are needed: 1. A depression […]
Observing and Examining Micro-Organisms (Microbes)
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Reproduction in Bacteria and Its Processes
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After reading this article you will learn about the reproduction of bacteria and its processes. Reproduction of Bacteria: All growing cells must divide. Most bacteria multiply by transverse, binary fission, in which a single cell divides in two after developing a transverse cell wall. Within a short period, often as short as 20 minutes, a […]
Growth of Micro-Organisms: 4 Factors
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This article throws light upon the four important physical factors that affect the growth of micro-organisms. The factors are: 1. Temperature 2. Gaseous Requirements 3. Hydrogen Ion Concentration 4. Miscellaneous Physical Requirements. Factor # 1. Temperature: Temperature is the most important factor than determines the rates of growth, multiplication, survival, and death of all living […]