7) When oxygen is available to a cell, the complete breakdown of glucose and the release of energy is called? a) photosynthesis
d) synthesis
b) aerobic respiration
e) glycolysis
c) lactic acid fermentation

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.

Achair would be nonliving, also a toy, clothesand living things would be humans, animals, bugs