Mitochondria: The Powerhouse of the Cell

Mitochondria Overview

• Primary function is energy production through ATP synthesis, which is essential for cellular processes.
• Often referred to as the "powerhouse of the cell" due to their role in generating energy.

Mitochondrial Presence in Organisms

• Certain organisms, such as some protozoa and parasites, lack mitochondria in some of their cells, showcasing adaptations to different environments.
• The organism Giardia lamblia is known for completely losing its mitochondria during evolution.

Historical Discoveries

• Mitochondria were discovered by scientist Albert von Kölliker in the context of muscle cells, emphasizing their role in energy metabolism.
• The term "mitochondrion" was coined by Richard Altmann, highlighting its significance in cellular biology.

Physical Characteristics

• Mitochondria vary in size, typically ranging from 0.5 to 10 micrometers, allowing them to fit within different cell types and serve various functions.

Test your knowledge about the structure and function of mitochondria, the organelles responsible for generating ATP through aerobic respiration in eukaryotic cells. Learn about their discovery and significance in cellular energy production.