Given that antibodies are large proteins that cannot cross the cell membrane, how might HEBA be acting in these breast cancer cells to limit cell division?
A. Blocks adaptor protein binding to activated receptors
b. Prevents receptor coupling to G proteins
c. Prevents changes in gene expression by inhibiting transcription factor phosphorylation
d. Blocks activation of PLC that is needed for activation of AKT kinase
e. Blocks the GEF activity of the receptor
f. Prevents receptor dimerization