Insulin Formed by the Golgi Apparatus in Insulin-Producing Cells Leaves

Multiple Choice

Insulin formed by the Golgi apparatus in insulin-producing cells leaves those cells by

A) special pore molecules that are embedded in the cell membrane.
B) the insulin-filled vesicles fusing with the cell membrane and spilling their contents externally.
C) moving along the endoplasmic reticulum until it is outside the cell membrane.
D) the Golgi apparatus being connected with external channels directly to the cell membrane.
E) diffusion across the cytoplasm.