Physiology - Cell Membrane

Front 1

Fx of the cell membrane

Back 1

Isolation
Regulation
Communication
Support

Front 2

Isolation

Back 2

Membrane separates intracellular compartment from extracellular compartment.

Front 3

Regulation

Back 3

Regulates what may cross the membrane. Made of phospholipids, so it's hydrophobic. Lipids pass more easily.

Front 4

Communication

Back 4

Components of the barrier can regulate the exchange from intra to extra and vice versa. This allows for communication.

Front 5

Support

Back 5

Cell membrane gives cell structural support.

Front 6

Phospholipid Bilayer

Back 6

A lipid. Neutral area.
A phosphate. Charged.
Charged on one side neutral on the other.
Hydrophobic end/hydrophilic end.

Front 7

Integral Proteins

Back 7

Span the entire length of the cell membrane. Tightly bound to the membrane.

Front 8

Peripheral Proteins

Back 8

Peripheral proteins are loosely attached to the membrane by other membrane proteins by noncovalent interactions.
Include enzymes and some structural binding proteins that anchor the cytoskeleton.

Front 9

Glycoproteins

Back 9

Attached to membrane proteins.

On outside only.

Play a key role in the body’s immune response.

Front 10

Glycolipids

Back 10

Attached to membrane lipids.

On outside only.

Front 11

Fluid Mosaic Model

Back 11

Generally states the cell membrane to be changing. Contemporary belief is some proteins are anchored to the cytoskeleton and don't move.