Which process involves the breakdown of glycogen to glucose-6-phosphate?

The process that involves the breakdown of glycogen to glucose-6-phosphate is glycogenolysis. During glycogenolysis, glycogen, which is a stored form of glucose in the liver and muscle tissues, is broken down into glucose units for use in energy production. The initial step in this pathway leads to the production of glucose-1-phosphate, which is then converted to glucose-6-phosphate. This conversion is crucial, as glucose-6-phosphate can enter glycolysis to provide energy or can be utilized for other metabolic pathways, depending on the body's needs.

In contrast, glycogenesis refers to the process of synthesizing glycogen from glucose, gluconeogenesis is the formation of glucose from non-carbohydrate sources, and lipid metabolism pertains to the breakdown and synthesis of fats. Understanding these processes is essential in grasping how the body manages and utilizes energy resources efficiently.