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What is the product of the phosphorylase reaction?

Glycogen phosphorylase acts on the reaction at the initiation of glycogen degradation (Figure 4.5). Thereby, glucose can be obtained from glycogen. Glycogen phosphorylase causes phosphoroclastic cleavage into glycogen, and produces glycogen-1-phosphate.

What does glucose-1-phosphate do?

The highly branched structure of glycogen allows for rapid release of glucose, since phosphorylase acts on the end terminal residues. In addition to its role as a precursor for glycogen synthesis, UDP-glucose helps detoxify waste products and drugs.

Which enzyme is involved in Glycogenolysis?

phosphorylase kinase

Where does Glycogenesis occur in the body?

Glycogenesis, the formation of glycogen, the primary carbohydrate stored in the liver and muscle cells of animals, from glucose. Glycogenesis takes place when blood glucose levels are sufficiently high to allow excess glucose to be stored in liver and muscle cells.

Is Glycogenesis catabolic or anabolic?

Glycogenesis is an anabolic process that requires ATP energy to assemble excess glucose molecules into more complex glycogen granules. A single glycogen granule can contain 30,000 glucose units. Glycogen is synthesized primarily by hepatocytes and muscle.

What is glycolysis and glycogenolysis?

Glycolysis: glucose breakdown(happens in every cell) Gluconeogenesis: Glucose formation(happens in cells other than liver and muscle as well as liver and muscle) glycogenolysis: Glycogen breakdown(happens in liver and muscle) glycogenesis: Glycogen formation(happens in liver and muscle)

What happens when glycolysis is inhibited?

Hexokinase, the enzyme catalyzing the first step of glycolysis, is inhibited by its product, glucose 6-phosphate. In turn, the level of glucose 6-phosphate rises because it is in equilibrium with fructose 6-phosphate. Hence, the inhibition of phosphofructokinase leads to the inhibition of hexokinase.