A human cheek cell contains 46 chromosomes. When it divides into two cheek cells, the two new cheek cells contain 46 chromosomes each, instead of 23. How is this possible?

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.