Asap! biology bacteria can illustrate evolution occurring at a rapid rate. this is done a. growing bacteria in a petri dish and making observations under a microscope b. comparing bacterial growth when interacting with antibiotics c. repeatedly exposing a bacterial sample to the same antibiotic to see if the resistance changes. d. bacteria are single-celled organisms and do not evolve over time.

The correct answer is OPTION C -  repeatedly exposing a bacterial sample to the same antibiotic to see if the resistance changes. 

Antibiotic resistance develops as a result of evolution via natural selection. When a bacteria sample is exposed repeatedly to the same antibiotic, certain bacteria in the sample may develop a from of mutation, which allows them to survive, and live on to reproduce. The surviving bacteria will then pass this trait to their offspring, thus evolving into a new drug-resistant strain, with a fully resistant generation of bacteria.

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.