What do the colors on the flag of Norway mean? Credit: Thinkstock Images Stockbyte Getty Images. The Union Jack is composed of the flags of three patron saints layered one over the other. The central red cross on a white field is the flag of St. George, the patron saint of England.
Synaptic vesicles contain thousands of neurotransmitter. The  neurotransmitters are packed into a small membrane bound synaptic  vesicles. There are thousands of neurotransm â¦ itter molecules.
Vesicles and vacuoles are membrane-bound sacs that function in storage and transport. Learning Objective. Key Points. Vesicles are small structures within a cell, consisting of fluid enclosed by a lipid bilayer involved in transport, buoyancy control, and enzyme storage.