Glycolysis

Definition

Glycolysis is a process that breaks down sugar in the body to produce energy.

Scientific / Technical Definition

Glycolysis is a series of enzymatic reactions that convert glucose into pyruvate, producing ATP and NADH in the process. This pathway is a key component of cellular respiration and occurs in the cytoplasm of cells.

Benefits

• Provides energy for cellular functions
• Supports intense physical activity
• Contributes to the production of ATP, a primary energy carrier in cells

Examples

• Muscle cells utilize glycolysis during high-intensity exercise.
• Red blood cells rely on glycolysis for energy as they lack mitochondria.

Additional Information

• Effects: Glycolysis is important for providing quick energy and is essential for cells, like red blood cells, that do not have mitochondria.

Related Terms

• Cellular respiration
• Krebs cycle
• ATP
• Glucose metabolism

References

• Biochemistry, Glycolysis
• Respiratory metabolism in eukaryotic cells