In the Active State of the Integrin Dimer, …

Multiple Choice

In the active state of the integrin dimer, …

A) both intracellular and extracellular binding sites are exposed.
B) the intracellular binding sites are inaccessible, while the extracellular binding sites are exposed.
C) the intracellular binding sites are exposed, while the extracellular binding sites are inaccessible.
D) both intracellular and extracellular binding sites are inaccessible.