試題詳解

4. Which of the following accounts for the extent of proliferation observed in the retrovirus-infected cells not treated with growth factors?
(A) The v-erbB product has a function similar to that of activated EGF receptor.
(B) EGF binds to both the EGF receptor and the v-erbB product.
(C) The v-erbB product activates both the LCGF and the EGF receptors.
(D) The v-erbB product antagonizes the action of the EGF receptor.
(E) The v-erbB product induces secretion of EGF and LCGF.