GENERAL HISTOLOGY

Detailed explanation-1: -It is responsible for packing proteins from the rough endoplasmic reticulum into membrane-bound vesicles (tiny compartments of lipid bilayer that store molecules) which then translocate to the cell membrane.

Detailed explanation-2: -Chapter 11The Cytoskeleton and Cell Movement In addition to playing this structural role, the cytoskeleton is responsible for cell movements. These include not only the movements of entire cells, but also the internal transport of organelles and other structures (such as mitotic chromosomes) through the cytoplasm.

Detailed explanation-3: -Endoplasmic reticulum is a network of membranes inside a cell through which proteins and other molecules move. Proteins are assembled at organelles called ribosomes.

Detailed explanation-4: -Membrane components, including proteins and lipids, are exchanged among these organelles and the plasma membrane via vesicular transport with the help of molecular tags that direct specific components to their proper destinations.

Detailed explanation-5: -Vesicular transport between organelles consists of three steps. First, vesicles bud from one organelle (e.g ER). The vesicle must then be targeted to the appropriate organelle (e.g Golgi). Finally, the vesicle must fuse with the target organelle to mix its contents with the contents of the target organelle.