Each bacterial cell will split into two during binary fission.
A population of 64 bacteria would exist if they reproduced by binary fission every 20 minutes, starting from one person and lasting for two hours.
Since the bacteria splits every 20 minutes, we must determine how many times it has divided in two hours (2x60=120 min), which is 120/20=6.
It will be divided into six parts.
2. To determine the number of bacteria after two hours,
Bacteria in the beginning x [tex]2^{no.of division}[/tex]
= 1 X 2⁶ = 64
So, after 2 hrs the population of bacteria will be 64 in number.
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