Describe the four stages of the normal bacterial growth curve and explain the growth patterns of...

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Biology

Describe the four stages of the normal bacterial growth curveand explain the growth patterns of each stage. Define the termsbinary fission and generation time.

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In higher organism growth refers as increase in size and volume of organism but in bacteria growth refers as increase in number When fresh liquid medium is inoculated with a given number of bacteria and incubated for sufficient period of time it gives a characteristic growth pattern of bacteria If the bacterial population is measured periodically and log of number of viable bacteria is plotted in a graph against time it gives a characteristic growth curve which is known as growth curve or growth cycle The growth curve is hyperbolic due to exponential bacterial growth pattern The growth curve has following phases 1 Lag phase 2 Log phase or exponential phase 3 Stationary phase 4 Death phase or decline phase 1 Lag phase When bacteria is inoculated into new fresh media it do not divide immediately Bacteria takes some time to adjust to the new environment The time period in which bacteria is See Answer

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