Select all of the statements that accurately describe the oral polio vaccine.

The following statement correctly describe the oral polio vaccine:
1. It contains attenuated virus.
2. It is prepared from animal cell culture.
3. It contains three serotypes of the polio virus.
The oral polio vaccine is a vaccine that is used to prevent poliomyelitis.There are two types of this vaccine, the first type use inactivated polio virus and is administered by injection while the second type use weakened polio virus and is administered orally.

Mitochondria produce atp, a high energy compound. atp is used for all sorts of enzyme-mediated reactions, such as making proteins/nucleotides/etc, certain compounds cross the cell membrane, muscles move, etc.  without this source of energy, a cell will die. it will not be able to repair itself, defend against pathogens, etc.