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lab4 analysis

lab4 analysis - 1 0.6 0.5 0.4 Optical Density(Abs 0.3 0.2...

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During Exponential Phase Time (min) 1*. 2*.

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During Exponential Phase Time (min) 1*. 3** .
RRRRlkjlsajkdfasldfkjlsaj b. Linear Regression Equation: y = mx+ b y = 0.011x – 2.110 m = 0.011 Slope = 0.011 R 2 = 0.935 R = 0.96695 Correlation Coefficient = R = 0.96695 4. The specific growth rate constant can be determined by measuring the slope of the best-fit straight line on a graph which plots ln(O.D.) as a function of time. Therefore: S pecific growth rate = k = slope of f(x) = 0.011 5. Doubling Time = 0.6931k = 0.6931(0.011) = 0.0076241 Therefore, the doubling time for V. natriegens is 0.0076241 minutes 6. V. natriegens had a lag time of about 12 minutes. This is demonstrated by the trend line on Graph (3) because between 24 and 120 minutes, the bacterial growth rate tends to increase at a constant rate (the growth rate during exponential phase). Between 0 and 12 minutes, however, the slope does not follow this same trend. 7. Characteristics of cells that could be identified best by using a non-stained culture Characteristics of cells that could be identified best by using stained culture

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