You ingest 20 cells of Salmonella. This bacterium has a doubling time of 30 minutes. After 4 hours, how many of these bacteria would be present in the body (assuming no immune system responses or other biological activities affect its growth) ?

Question

Cantu

Biology

17 February, 02:22

You ingest 20 cells of Salmonella. This bacterium has a doubling time of 30 minutes. After 4 hours, how many of these bacteria would be present in the body (assuming no immune system responses or other biological activities affect its growth) ?

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Answers (2)

Know the Answer?

Marianna Evans · Answer 1

Answer 160 Salmonella

You would have 160 Salmonella's

Isabel Greene · Answer 2

You ingest 20 cells of Salmonella. This bacterium has a doubling time of 30 minutes. After 4 hours, how many of these bacteria would be present in the body (assuming no immune system responses or other biological activities affect its growth) ?

240 cells of salmonella

Explanation:

20 cells of salmonella

in 30 mins = 40 salmonella

60 minutes = 60 salmonella

120 minutes = 120 salmonella

240 minutes (4hours) = 240 salmonella