Plasma Membrane Structure and Function Quiz

Cell Membrane Structure and Function

• The primary parameter describing the freedom of movement of protein and lipid constituents within the cell membrane is fluidity.

Vesicle Transport

• Exocytosis is the process involving the exportation of macromolecules by the fusion of vesicles with the membrane from the ER or Golgi.

Types of Transport

• Passive transport is the type of transport that does not require energy to move substances across cell membranes.

Cell-Cell Recognition and Immunity

• Glycoproteins and glycolipids on the cell surface are the basis for cell-cell recognition and have immunity repercussions.

Phagocytosis

• Phagocytosis is the process where a cell engulfs solid particles with pseudopods, leading to the formation of a food vacuole.

Cell Membrane Function

• The main function of the phospholipid bilayer in the cell membrane is to regulate the movement of materials in and out of the cell.

Osmosis

• Osmosis is the process involving the passive transport of water across a membrane.

Cell Membrane Model

• The fluid mosaic model is a visual representation of the arrangement of proteins and lipids in the cell membrane.

Vesicle Transport

• Endocytosis is the process involving the transport of large molecules.

Membrane Organization

• The molecular organization of the membrane that leads to selective permeability is the arrangement of phospholipids in a bilayer with embedded proteins.