Amutation occurs that prevents a cell from taking in the glucose that it needs for energy production. what is most likely to happen?
a tumor will form.
the cell will divide uncontrollably.
the cell will die.
nutrients are stolen from normal cells nearby.

A mutation occurs that prevents a cell from taking in the glucose that it needs for energy production. What is most likely to happen is that the cell will die.
Without taking in the necessary energy it needs to survive, it will weaken and eventually die. 

Because they are stupid and insensitive

The proton has a positive charge while the neutron has no charge they both make up the nucleus of the atom while the elections have a negative charge and surround the nucleus of the atom. the protons and electrons are used to calculate the atom's mass whereas the neutrons don't affect the mass