A cat that is nursing her young produces milk that is excreted from cells in her mammary glands. Milk proteins are transported out of cells and into ducts leading to the nipple. Milk is a type of protein, and within mammalian cells, these proteins are transported in spherical organelles called __________.

Question

Quizplus · Accepted Answer

Milk proteins are transported within cells in vesicles, which are small, membrane-bound organelles that transport substances within the cell, including to the cell membrane for secretion outside the cell.

A Cat That Is Nursing Her Young Produces Milk That