when rat adipocytes are irradiated after a 10-min incubation with 4-azidobenzoyl-125i-igf-ii at 10 degrees c and immediately homogenized , most of the labeled igf-ii receptors are associated with the plasma membrane fraction , indicating that receptors accessible to the labeling reagent at low temperature are on the cell surface .
C1334189
igf-ii receptors
C0007603
plasma membrane