試題詳解

1. Which of the following statements about the EGF and LCGF treatments is LEAST likely?
(A) Some cell types have receptors for more than one growth factor.
(B) Hepatoma cells have an LCGF receptor but not an EGF receptor.
(C) EGF and LCGF trigger growth by binding with different affinities to the same receptor.
(D) Growth factors show some specificity regarding target cell type.
(E) Both normal and tumor cells can respond to growth factors.