How does groundwater become polluted? a. Pollutants mixed with water pass through permeable layers above the aquifer. b. Factories dump their waste directly into aquifers. c. Refuse infiltrates the water table when garbage is dumped. d. All of the above

Pro insulin undergoes extensive posttranslational modification along the production pathway .

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.