Cell Membrane Review

What do carbohydrates do for the cell membrane?

• help mark the cell

• channels for large substances

• provides membrane stability

• a barrier to protect the cell

What do Proteins do for the cell membrane?

• help mark the cell

• channels for large substances

• provides membrane stability

• a barrier to protect the cell

What do Cholesterol do for the cell membrane?

• help mark the cell

• channels for large substances

• provides membrane stability

• a barrier to protect the cell

The relatively constant internal conditions required for survival

• Homeostasis

• Hypertonic

• Endocytosis

• Hypotonic

What do Phospholipids do for the cell membrane?

• help mark the cell

• channels for large substances

• provides membrane stability

• a barrier to protect the cell

Facilitated Diffusion: Allow charged or larger molecules to flow through the membrane

• Channel proteins

• Carrier proteins

Facilitated Diffusion: Change shape to transport specific molecules across the membrane

• Channel Proteins

• Carrier Proteins

The diffusion of water though a semi-permeable membrane

• Diffusion

• Osmosis

• Facilitated diffusion

The random motion of molecules from an area of high concentration to an area of lower concentration

• Diffusion

• Facilitated diffusion

• Osmosis

passive transport with the help of proteins

• Diffusion

• Osmosis

• Facilitated diffusion