1. Ten thousand bacteria multiply into 1,000,000 bacteria in 6.67 hours. What is

Question

1. Ten thousand bacteria multiply into 1,000,000 bacteria in 6.67 hours. What is the generation time? a. 1 doubling per hour b. 0.5 doublings per hour C 60 minutes d. 30 minutes e. 2 hours Eighty-five bacteria per ml contaminate a donut. The volume of the donut is 10mL. The generation time is 20 minutes. After 6 hours, what is the concentration of bacteria per mL? 2. a. 85 x 2 b. 85 x 2 c. 85 x 21 d. 85 x 10 x 2 e. 85 x 10 3. What is n when 10,000,000 cells multiply into 10" cells in 3 hours? a. og 10-log 10/0.301 b. 0.301/17-7 c. 0.301(3)/17-7 d. 10/0.301 e. 0.301 (17-7)/3 Beginning with a bacterial culture containing 10 organisms per ml and assuming a generation time of 45 minutes (0.75 hours), approximately how long would it take for there to be 10,000,000 cells in the population? 4. a. 600 minutes b. 30 hours . 60hours d. 15 hours e. 90 minutes 5. Calculate the growth rate constant of a bacteria if its generation time is 240 minutes. d. a. b. c. 2 generations per hour 0.5 doublings per hour 4generations per hour 12 doublings per hour 0.25 generations per hour e.

Explanation / Answer

I have checked all the answers are almost all are correct except for question 4.

while you have highlighted B) 30 hours, my calculation is showing D) 15hours.

All the rest are correct according to me.

Feel free to leave a comment down below for any further query. Good rating would be appretiated if you find my answer helpful. Thank you.

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