Question

Which statement describes the role of a mitochondrion in providing an organism with energy?

It stores glucose that is taken from food so that respiration can happen later.
It combines blood and oxygen so that energy can be released from glucose.
It is the site where oxygen combines with small molecules, releasing large amounts of energy.
It is the site where food is broken down into small molecules, releasing small amounts of energy.
A B C or D

Answer 1

C

Mitochondria are the site of aerobic respiration, where oxygen combines with small molecules (like the breakdown products of glucose) to release large amounts of energy (ATP).