Chapter 1, Problem 5RP

Refer to the following figures: 4 B E 2

Match the following formulas with their correct descriptions form the drop down menu provided. Formulas 1. D subscript p equals N over A 2. D subscript p equals N over V 3. increment N equals open parentheses N plus I close parentheses minus open parentheses M plus E close parentheses 4. g r equals fraction numerator increment N over denominator increment t end fraction 5. c g r equals fraction numerator increment N over denominator N end fraction Descriptions: Used to calculate the rate of change in the population in relation to its initial population number Answer Used to calculate the change in population size Answer Used to calculate the number of individuals occupying a volume of air or water Answer Used to calculate the change in the number of individuals in a given population over a period of time. Answer Use to calculate the number of individuals occupying a land area Answer

3 4 5 7 8 9 10 11 12 A O cO O o O O o O OO You performed a two-fold serial dilution, assuming that the starting concentration is 128 ug/ml (from A to C), answer the following questions: SITY 1. What is the MIC of well A? B? C? 2. If well A is Ciprofloxacin, wellB is Gentamicin and well C is Tetracycline, which is the most effective antibiotic for this sample? and why? 3. What is the indicator of bacterial growth in a broth? 4. What do the white (unshaded) circles represent on the image above?