A flask containing 100ml of YNB broth was inoculated with approximately yeast cells. The flask was incubated at 37 degrees Celsius (100rpm). Samples were periodically collected and their absorbance (optical density-OD) was measured: Using the given data (shown in photo) calculate the doubling time of this microorganism (FIRSTLY, you have to determine the exponential phase!)
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Ответ:
The time it takes for the yeast population to double is 1 hour.
Explanation:
Convert the OD to an approximation of the number of cells present in the broth. Do this by multiplying the OD value with 3 x 10^7.
The exponential phase of growth for the yeast cells is from
time t = 0 hours to time t = 5 hours
Ответ:
The Idea that Electrons are spread evenly throughout the atom. Rutherford disproved this by aiming charged alpha particles through a piece of gold foil. The result allowed for scientists to realize that there was a cloud of electrons surrounding the nucleus, rather than being evenly distributed throughout it.
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