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GPCRs that act by increasing cAMP are coupled to stimulatory G proteins (Gs).

The possible fates of a transmembrane receptor (red) with its bound ligand (green X) are shown below. 1.  Which pathway would be traveled by the LDL receptor?  Pathway 1, Pathway 2, or Pathway 3. 2.  What is the specific name for the type of endocytosis shown in Pathway 2? 3.  What is the name of the compartment indicated by the number 3?

Ran-GAP works in the ______ to convert  _____ to _____.

In general, the activity of any protein regulated by phosphorylation depends on the balance at any one time between the activities of the kinase that phosphorylates the protein and the phosphatase that dephosphorylates it.

Monomeric GTPases with roles in exocytosis and endocytosis include which of the following?

Adenylyl cyclase is a membrane-bound enzyme that is important for intracellular signaling. What  activity does this enzyme catalyze (i.e. what is the general enzymatic function carried out by this protein)?

Adenylyl cyclase is a membrane-bound enzyme that is important for intracellular signaling. What  activity does this enzyme catalyze (i.e. what is the general enzymatic function carried out by this protein)?

A client with pancreatitis may exhibit Cullen’s sign on physical examination. Which assessment finding best describes Cullen’s sign? 

Match the terms provided with their best descriptors.

A client with pancreatitis may exhibit Cullen’s sign on physical examination. Which assessment finding best describes Cullen’s sign?