The Action of Which of the Following Enzymes Both Activates

question 23

Multiple Choice

The action of which of the following enzymes both activates glycogen breakdown and inhibits glycogen synthesis?

• A) protein kinase A
• B) protein kinase C
• C) phosphorylase kinase
• D) protein phosphatase 1
• E) None of the answers is correct.

---

Definitions:

Volcano

An opening in the Earth's surface through which molten rock, ash, and gases are ejected or flow out.

Tectonics

The study of the Earth's structural features, including its crust and mantle movements, which can lead to earthquakes, volcanoes, and mountain building.

Collapse

The sudden failure or caving in of a structure or geological feature due to weakening or underlining destabilization.

Neuroleptic Drugs

a class of medication primarily used to manage psychosis, particularly in schizophrenia and bipolar disorder, also known as antipsychotic drugs.