Glycogenesis + Regulation

Play an AI-generated podcast conversation about this lesson

Which enzyme is responsible for the conversion of UDP-glucose to glucose 1-phosphate?

Branching enzyme

Glycogen synthase kinase 3 (GSK3)

UDP-glucose pyrophosphorylase (correct)

Protein phosphorylase 1 (PP1)

Which protein kinase is activated by insulin and plays a role in glycogenesis?

Protein kinase B (correct)

Phosphatidyl-inositol-3-kinase

Protein kinase A (PKA)

Glycogen synthase kinase 3 (GSK3)

Which process is responsible for the introduction of alpha-1,6 linkages in glycogen synthesis?

Branching enzyme activity (correct)

Glycogen synthase activity

UDP-glucose pyrophosphorylase activity

Protein phosphorylase 1 (PP1) activity

What is the primary role of protein phosphorylase 1 (PP1) in glycogen metabolism?

Dephosphorylating and activating glycogen synthase Signup and view all the answers

Which compound is produced during the conversion of glucose 6-phosphate to glucose 1-phosphate?

PPi (pyrophosphate) Signup and view all the answers

Which enzyme is responsible for extending both the main chain and branches in glycogen synthesis?

Glycogen synthase Signup and view all the answers

What enzyme is responsible for inactivating glycogen synthase through phosphorylation?

Protein kinase A (PKA) Signup and view all the answers

Which enzyme dephosphorylates and activates glycogen synthase in glycogenesis?

Protein phosphatase 1 (PP1) Signup and view all the answers

What molecule activates phosphatidylinositol-3-kinase in the glycogenesis pathway?

UDP-glucose Signup and view all the answers

Which enzyme is responsible for introducing alpha-1,6 linkages in the branching of glycogen synthesis?

Branching enzyme Signup and view all the answers

What kinase is inhibited to prevent the phosphorylation and inactivation of glycogen synthase in glycogenesis?

Glycogen synthase kinase 3 (GSK3) Signup and view all the answers

Glycogen synthase is active when phosphorylated.

False Signup and view all the answers

Insulin signaling leads to the activation of glycogen synthase.

True Signup and view all the answers

Glucagon activates protein kinase B in the glycogenesis pathway.

False Signup and view all the answers

PP1 inactivates glycogen synthase by phosphorylating it.

False Signup and view all the answers

UDP-glucose activates phosphatidylinositol-3-kinase in glycogenesis.

False Signup and view all the answers

Glycogenesis + Regulation

Podcast Beta

Questions and Answers

Which enzyme is responsible for the conversion of UDP-glucose to glucose 1-phosphate?

Which protein kinase is activated by insulin and plays a role in glycogenesis?

Which process is responsible for the introduction of alpha-1,6 linkages in glycogen synthesis?

What is the primary role of protein phosphorylase 1 (PP1) in glycogen metabolism?

Which compound is produced during the conversion of glucose 6-phosphate to glucose 1-phosphate?

Which enzyme is responsible for extending both the main chain and branches in glycogen synthesis?

What enzyme is responsible for inactivating glycogen synthase through phosphorylation?

Which enzyme dephosphorylates and activates glycogen synthase in glycogenesis?

What molecule activates phosphatidylinositol-3-kinase in the glycogenesis pathway?

Which enzyme is responsible for introducing alpha-1,6 linkages in the branching of glycogen synthesis?

What kinase is inhibited to prevent the phosphorylation and inactivation of glycogen synthase in glycogenesis?

Glycogen synthase is active when phosphorylated.

Insulin signaling leads to the activation of glycogen synthase.

Glucagon activates protein kinase B in the glycogenesis pathway.

PP1 inactivates glycogen synthase by phosphorylating it.

UDP-glucose activates phosphatidylinositol-3-kinase in glycogenesis.

More Quizzes Like This

Glycogenesis Quiz

Glycogenesis Quiz: Test Your Knowledge on Glycogen Synthesis

Glycogen Storage Diseases and Glycogenesis

BIO330 Cellular Biochemistry Chapter 11: Glycogenesis

Upgrade to continue