Study the picture below , and write a claim to answer the questions , who do you think happened come up with three pieces of brief evidence to support your claim
for each piece of evidence, provide three pieces of reasoning that explains how the evidence supports the claim .

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.