exponential growth ecoli

exponential growth ecoli - The Growth of E. coli Bacteria...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
The Growth of E. coli Bacteria Bacteria are very tiny, single-celled organisms that are by far the most numerous organisms on Earth. One of the most frequently studied bacteria is E. coli, a rod-shaped bacterium approximately 10 -6 meters long that inhabits the intestinal tracts of humans and other mammals. The cells of E. coli reproduce by a process called fission: the cell splits in half, forming two “daughter cells.” Under ideal conditions E. coli divide every 20 minutes. If we start with an initial population of 100 E. coli bacteria that doubles every 20-minute time period, we generate the table below. The initial 100 bacteria double to become 200 bacteria at the end of the first time period, double again to become 400 at the end of the second time period and so on. At the end of the 24 th time period (24 X 20 = 480 minutes = 8 hours), the initial 100 bacteria in our model have grown to over 1.6 billion bacteria! Time periods
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 2

exponential growth ecoli - The Growth of E. coli Bacteria...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online