Membrane And Transport (Summary)

Front 1

___________ are highly selective permeability barriers that serve a variety of cellular functions.

Back 1

Biomembranes

Front 2

The Features of Biomembranes include a _________ and _________ distribution of __________, __________, and __________ components.

Back 2

1) Fluid Lipid Bilayer

2) Assymmetric

3) Lipid

4) Protein

5) Carbohydrate

Front 3

The Features of Biomembranes include a Fluid Lipid Bilayer and asymmetric distribution of lipid, protein, and carbohydrate components. Proportions of these components are __________.

Back 3

Variable

Front 4

________ is important for the the function of the biomembrane.

Back 4

Membrane Fluidity

Front 5

Membrane Fluidity is DEPENDENT on several factors including _______ and ________ of _________ of _________, _________, and _________.

Back 5

1) Length

2) Degree of Unsaturation of Fatty Acyl Chains

3) Temperature

4) Cholesterol

Front 6

Membrane Fluidity is ________ on several factors including length and degree of saturation of fatty acyl chains, temperature, and cholesterol.

Back 6

Dependent

Front 7

Membrane Lipids have a number of other important ___________ and ___________ functions.

Back 7

Physiological & Cellular

Front 8

Proteins can be associated with ________ in a variety of ways.

Back 8

Membranes

Front 9

__________ proteins are weakly associated.

Back 9

Peripheral proteins

Front 10

__________proteins are deeply embedded - often traversing the membrane.

Back 10

Integral Membrane Proteins

Front 11

Peripheral proteins are _________ associated, while Integral Membrane proteins are __________ embedded - often __________ the membrane.

Back 11

1) Weakly

2) Deeply

3) Traversing

Front 12

Themembrane-spanning domains of integral membrane proteins can be predicted basedon __________ by using a ___________ plot.

Back 12

1) Amino Acid Sequence

2) Hydropathy

Front 13

Cells can confine ________ and _______ tospecific domains within a membrane.

Back 13

1) Proteins

2) Lipids

Front 14

__________ are areas of the plasma membrane that have a HIGH content of cholesteroland sphingolipidsand appear to serve as a staging area or scaffold for signaling molecules.

Back 14

Lipid Rafts

Front 15

Lipid Rafts are areas of the plasma membrane that have a _______ content of ________ and _______ and appear to serve as a _______ area or ________ for ________ molecules.

Back 15

1) High

2) Cholesterol & Sphingolipids

3) Staging

4) Scaffold

5) Signaling