Cell Membrane

The cell membrane is composed of how many phospholipid bilayers?

• 1
• 2
• 0
• 3

One of the two major functions of the cell membrane is...

• To form a boundary between inside and outside of cell
• To block all materials from entering
• To make lipids hydrophilic
• To make lipids hydrophobic

Another word for hydrophilic is...

• Non polar
• Water hating
• Polar
• Equilibrium

What does selectively permeable mean?

• Sometimes lets things dissolve, sometimes not 
• Sometimes breaks apart things, sometimes not
• Sometimes let's things cross through, sometimes not.
• Sometimes chemical signals are transmitted, sometimes not

What are the 5 specialized proteins called?

• Adhesion, Transmission, Receptor, Recognition, Transport
• Adhere, Translation, Receptor, Recognition, Transport
• Adhesion, Communication, Receptor, Recognition, Transport
• Activity, Transport, Identification, Receptor, Communication

What are the two types of receptors called?

• Intracellular and Membrane
• Intracellular and Extracellular
• Extracellular and Transport
• Extracellular and Chemical

What are the two types of transport proteins?

• Moving and Passive-Aggressive
• Active and Passive
• Cellular and Extracellular
• Internal and External

What is the function of cholesterol?

• For strength
• To sense outside environment

What is/are at the end of the phospholipid structure?

• Cholesterol
• lipid
• Phosphate
• carbohydrade

Ligand binds with what protein?

• Receptor
• Recognition
• Communication
• adhesion