Problem:
Question 1: When you have cavities in your teeth taking any sweetend drinks or food causes sensitivity or pain. What could be the reason?
Question 2: Bacteria use restriction enzymes to cut DNA of bacteriophages. Virus mutates really fast. Won't a point mutation in restriction site render the restriction enzymes of the bacteria useless ?
So how effective are restriction enzymes in protecting bacteria ?
Include source of information for best answer.