Concept explainers
Interpretation:
The term mitochondrion has to be defined.
Concept Introduction:
Cell is defined as the smallest and the basic unit of all organisms. It is the functional unit present in all the organisms. Cell consists of three units that are nucleus, cytoplasm and cell membrane. Cytoplasm consists of small structures known as organelles. Mitochondria is one of the organelles present in the cell.

Explanation of Solution
Mitochondria are capsule-shaped organelles similar to the size of a bacterial cell also called as powerhouse of the cell. Mitochondria are double-membrane organelle surrounded by an outer mitochondrial membrane and an inner mitochondrial membrane.
The space between the outer membrane and inner membranes is called intermembrane space. The space inside an inner mitochondrial membrane is called matrix that contains many enzymes of the Krebs cycle and oxidative phosphorylation. The outer mitochondrial membrane protects the organelle and contains many small pores that allow free passage of various molecules into intermembrane space.
Mitochondria transform chemical energy from the food intake into energy that the cell can use. This process is called oxidative phosphorylation.
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Chapter 22 Solutions
Connect 2-Year Online Access for General, Organic, and Biochemistry
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