After the flame/heat was removed explain why the alcohol kept on boiling while the water was not?

The alcohol kept boiling because it has a lower boiling point compared to the water which has a boiling point of 100 degrees celcius. As the temperature cools off, the molecules of water begin to go back to its normal state, while the alcohol has molecules that are still excited from the slow decrease in environmental temperature. 

Amutation is basically the change in the gene, caused by alteration of single based units in the dna, or the genes or chromosomes were rearranged in the dna