The bacteria population has an exponential growth with a factor of 16 per hour. The growth factor has to be determined for the population change each half hour.
If the doubling time is 43 minutes, after 43 minutes the population will double in size to 2048 bacteria. So with an initial population of 1024 bacteria, after 43 minutes it will double to 2048.
Bacterial generation time is the time is takes for a bacteria to double in quantity. An example of slow growing would be Mycobacterium Tuberculosis (24 hours) and fast growing would be E. Coli (about 20 minutes).
A bacteria splits in half after 20 minutes, so that after 20 minutes there are 2 bacteria, and after 40 minutes there are 4 bacteria. How many bacteria will there be after 2 hours?
Use a calculator! Hope that helps :)
In microbiology, "double time" refers to the time it takes for a population of bacterial cells to double through binary fission. It is a measure of the growth rate of bacteria and varies depending on the specific bacteria, environmental conditions, and the availability of nutrients. Some fast-growing bacteria can have a double time as short as 20 minutes, while slower-growing bacteria may have a double time of several hours or even days.
Actually, there will be 40960 bacteria after 4 hours.if i did my math right it should be 480 bacteria there will be 480 not that number im a trained math teacher .du.i think 40960 is wrong because don't forget that bacteria only live for minutes
The time it takes for bacteria to reproduce can vary depending on the type of bacteria and the environmental conditions. Some bacteria can double their population in as little as 20 minutes under optimal conditions.
If B(t) represents the number of bacteria after t minutes, then B(t) = 200*2^(t/20).
The time it takes for bacteria to grow can vary depending on the type of bacteria, environmental conditions (such as temperature and nutrients), and the presence of other bacteria. In optimal conditions, bacteria can replicate every 20 minutes, leading to exponential growth.
Exponential growth takes place in Bacteria under ideal conditions. It means a rapid increase in population but actually it is doubling of population in a short time.Under ideal condition generation time of bacteria is just 20 minutes i.e. just after 20 minutes no. of Bacteria is doubled. Initially term used for rapid bacterial growth was logarithmic growthbut that proved to be wrong. Term Exponential growth may also be used for population of higher animals but doubling time is much larger as compared to bacteria.
Bacteria double and keep reproducing continuously. It is convenient to assume that this doubling occurs every 20 minute. Interestingly this means that a cleaning product that kills 99% of the bacteria on a surface and leaves 1% is up to 4% of the original number at the end of the first hour, 32% at the end of the second and back to full strength after another 40 minutes or so.
after boiling milk at 75 c for 15 minutes the bacteria or micro bacteria in are dead