the number of cells increases exponentially and growth rate remains constant appropriate use for each antimicrobial method. Each answer is used once.
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37. Which of the following mathematical terms describes bacterial growth by binary fission? A) arithmetic B) exponential C) logarithmic D) both B and C 38. Which of the following is NOT a term used to describe the phases of bacterial growth in a closed system? A) death phase B) stationary phase C) log phase D) lag phase E) rapid phase 39. Mary works for the Environmental Protection Agency (EPA) and needs to determine how many coliforms (bacteria related to E. coli) are present in a water sample from Lake Carroll. Which of the following methods would be the best one for her to use? A) the viable plate count method B) the membrane filtration method C) the direct microscopic count method D) the dry weight method E) turbidity readings 40. Which of the following methods would be best for measuring the growth of a bacterial species that tends to form large clumps or aggregates which rapidly sediment to the bottom of a liquid culture? A) viable plate count method B) membrane filtration method C) direct microscopic count method D) dry weight method E) turbidity readings
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Which of the following mathematical terms describes bacterial growth by binary fission? A) arithmetic B) exponential C) logarithmic D) both B and C. Which of the following is NOT a term used to describe the phases of bacterial growth in a closed system? A) death phase B) stationary phase C) log phase D) lag phase E) rapid phase. Mary works for the Environmental Protection Agency (EPA) and needs to determine how many coliforms (bacteria related to E. coli) are present in a water sample from Lake Carroll. Which of the following methods would be the best one for her to use? A) the viable plate count method B) the membrane filtration method C) the direct microscopic count method D) the dry weight method E) turbidity readings. Which of the following methods would be best for measuring the growth of a bacterial species that tends to form large clumps or aggregates which rapidly sediment to the bottom of a liquid culture? A) viable plate count method B) membrane filtration method C) direct microscopic count method D) dry weight method E) turbidity readings.
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QUESTION 9 Use the growth curve shown above to answer the following question(s). New cells are produced at the same rate as old cells die a b c d cannot be determined from the figure QUESTION 10 Organisms divide at their most rapid rate a b c d cannot be determined from the figure QUESTION 11 Use the growth curve shown above the following question(s): If a student wishes to measure the effects of an antiseptic/disinfectant or antibiotic; he/she will certainly be able to see the effects of the particular antimicrobial agent if he/she adds the agent during which phase of the growth curve of the standard bacterium? during phase a very early during phase b mid point during b during phase c during phase d
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