Cytoplasmic Membrane

Main components of cytoplasmic membrane (4)

1. Bi layer phospholipids

2. Proteins (integral & peripheral)

3. Carbohydrate chains

4. glycoproteins and cholesterol

What type of cells do not contain glycoproteins & cholesterol?

Bacteria, except for mycoplasmas

Hydrophilic head

Hydrophobic tail

Polar (water soluble)

No polar (insoluble)

Carbohydrate chain

Glycoprotein

Phospholipid bilayer

Protein

Cholesterol

Cytoskeleton filaments

Functions of the membrane (3)

1. energy reactions

2. nutrient processing

3. synthesis

What is the major action of the cytoplasmic membrane?

regulate transport

the passage of nutrients into the cell and the discharge of wastes

transport

How can you describe the membrane?

selectively permeable

Can inhibit the passage of large molecules, but they are not the primary transport apparatuses

glycocalyx.

Being semipermeable means what molecules are allowed to pass?

Water and small uncharged

How do bacteria carry out cellular respiration and ATP synthesis with the lack of mitochondria

using PROTEINS embedded in their membrane