Question

Some substances are transported within the cell or across membranes with membranous sacs what are these structures called?

Answer 1

Vesicle

Step-by-step explanation:

A vesicle is a spherical organelle of a cell that looks like a sac. A vesicle is the main transportation organelle that allow the cell to move things inside cytosols such as enzyme, food, or waste material. When vesicle carrying enzyme, its often called lysosomes. A vesicle can also remove waste material outside the cell, or taking food from outside of the cell membrane.