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Questions and Answers
Which type of receptor is coupled to activation of adenylyl cyclase?
Which type of receptor is coupled to activation of adenylyl cyclase?
- Neither α- nor β-adrenergic receptors
- Both α- and β-adrenergic receptors
- α-adrenergic receptors
- β-adrenergic receptors (correct)
What enzyme is activated by DAG binding?
What enzyme is activated by DAG binding?
- Protein kinase C (correct)
- Glycogen synthase
- Phospholipase C
- Adenylyl cyclase
What are the products of PIP2 hydrolysis by PLC?
What are the products of PIP2 hydrolysis by PLC?
- Diacylglycerol (DAG)
- Ca2+ ions
- Inositol trisphosphate (IP3) (correct)
- Phosphorylase kinase
What binds to receptors on the surface of the endoplasmic reticulum, leading to the release of Ca2+ ions?
What binds to receptors on the surface of the endoplasmic reticulum, leading to the release of Ca2+ ions?
What subunits of phosphorylase kinase interact with Ca2+ ions and cause its activation?
What subunits of phosphorylase kinase interact with Ca2+ ions and cause its activation?
What is the function of protein kinase C (PKC)?
What is the function of protein kinase C (PKC)?
Which G-proteins are α-adrenergic receptors coupled through?
Which G-proteins are α-adrenergic receptors coupled through?
What is the role of Ca2+ ions in conjunction with DAG?
What is the role of Ca2+ ions in conjunction with DAG?
What is the function of inositol trisphosphate (IP3)?
What is the function of inositol trisphosphate (IP3)?
What enzyme is phosphorylated by PKC?
What enzyme is phosphorylated by PKC?
What is the function of phospholipase C (PLC)?
What is the function of phospholipase C (PLC)?
Which type of receptor is coupled to activation of adenylyl cyclase?
Which type of receptor is coupled to activation of adenylyl cyclase?
What enzyme is activated by DAG binding?
What enzyme is activated by DAG binding?
What is the product of PIP2 hydrolysis by PLC?
What is the product of PIP2 hydrolysis by PLC?
What binds to receptors on the surface of the endoplasmic reticulum, leading to the release of Ca2+ ions?
What binds to receptors on the surface of the endoplasmic reticulum, leading to the release of Ca2+ ions?
What subunits of phosphorylase kinase are activated by Ca2+ ions?
What subunits of phosphorylase kinase are activated by Ca2+ ions?
What is the function of protein kinase C (PKC)?
What is the function of protein kinase C (PKC)?
Which G-proteins are α-adrenergic receptors coupled through?
Which G-proteins are α-adrenergic receptors coupled through?
What is the role of Ca2+ ions in conjunction with DAG?
What is the role of Ca2+ ions in conjunction with DAG?
What is the function of inositol trisphosphate (IP3)?
What is the function of inositol trisphosphate (IP3)?
What is the product of membrane phosphatidylinositol 4,5-bisphosphate (PIP2) hydrolysis by PLC?
What is the product of membrane phosphatidylinositol 4,5-bisphosphate (PIP2) hydrolysis by PLC?
What enzyme is phosphorylated by PKC?
What enzyme is phosphorylated by PKC?
What is the function of phospholipase C (PLC)?
What is the function of phospholipase C (PLC)?
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