Cell membranes have a double layer of phospholipids called

A. Lipid Bilayer  B. Channels  C. Receptor Proteins  

D. Hormones

Cell surface proteins that let particles through the membrane.

A. Receptor Proteins  B. Cell Surface Markers  C. Channels

D. Phospholipids

The "Name Tags" of the cell are 

A. Cell Surface Markers  B. Channels  C. Receptor Proteins

D. Hormones

Movent of particles from area of high to low concentration

A. Active Transport  B. Equilibrium  C. Hypotonic

 D. Diffusion

A substance that dissolves in another is called a 

A. Solvent  B. Solute  C. Soluton  D. Prion

Water movement through a membrane is called

A. Osmosis  B. Homostasis  C. Phagocytosis

 D. Acetylchonlina 

Allows the passage of some solutes but not others 

A. Selectively Permeable  B. Osmosis  C. Active Transport  

D. Passive Transport

Using energy to transport a particle through a membrane 

A. Diffusion  B. Osmosis  C. Active Transport  

D. Passive Transport

Protons are pumped across membranes to make ATP

A. Chemiosmosis  B. Couple Channels  C. Diffusion  

D. Exocytosis 

The cell membrane engulfs a large particle

A. Endocytosis  B. Sodium Potassium Pump  

C. Chemiosmosis    D. Solution 

The maintaining of constant internal conditions 

A. Diffusion  B. Homeostasis  C. Pinocytosis  D. Exocytosis 

Proteins that signal the cytoplasm when particles hit them

A. Receptors  B. Gated Channels  C. Surface Markers  

D. Phospholipids