Natural selection is a single gene trait that can lead to changes in allele frequencies, and thus, to evolution. this type of evolution can occur in bacteria as well. what kind of mutation in disease causing bacteria would lead to a change in allele and phenotype frequencies?

The diaphragm is what i think ur talking about

Mitochondria is the cell organelle that produced the energy that is needed in the body system in form of atp, that is why it is called the power house of the cell. energy is needed by the living organisms to carry out the activities which sustain life.  if the mitochondria is destroyed atp will not be produced. if the mitochondria is destroyed, energy production will stop and the affected living organism will not have the energy to carry out the necessary life processes; this will lead to the death of the organism.