Membrane Parts
Diffusion
More Movement Stuff
Osmosis
Proteins
100

The main structural component of the cell membrane is what molecule?

Phospholipid

100

The cell membrane does not let everything cross. This feature is referred to as _________________. 

Selective Permeability

100

The Sodium-Potassium Pump is an example of which type of transport? 

Active

100

In osmosis, water moves from an area of _______ water concentration to an area of ________ water concentration. 

High / Low

100

These proteins allow ions to pass through the cell membrane. 

Channel / Carrier Proteins

200

Short chains of __________ attach to proteins and lipids and act like a membrane "fingerprint."

Carbohydrates
200

When a solute moves down its' concentration gradient without the aid of energy, it is called ______________. 

Passive Transport

200

Facilitated transport is used for molecules that cannot directly diffuse through the cell membrane. Give an example of what type of molecule would use this transport mechanism. 

Sugars, Amino Acids, Water, Small charged molecules, Ions...
200

When there is an equal concentration of solutes inside and outside of the cell, the solution outside of the cell is considered to be ________. 

Isotonic

200

These proteins have short sugar chains attached and are used for cell identification. 

Cell Recognition Proteins

300

Name 1 of the two things that help keep the cell membrane fluid. 

Cholesterol, Unsaturated Fatty Acids

300

What type of molecule can diffuse directly across the cell membrane?

Small and Non-Polar

300

What occurs when there is no net movement of molecules?

Equilibrium

300

Plant cells prefer to be in a state of turgor pressure, which occurs when the solution outside of plant cell is _____________. 

Hypotonic

300

Receptor proteins bind to specific molecules called _______. 

Ligands

400

The phosphate heads that line the internal and external surfaces of the cell membrane are considered to be ___________. 

Polar / Hydrophilic

400

This type of transport moves molecules against their concentration gradient. 

Active

400

A solution consists of which two things?

Solute and Solvent

400

Animal cells shrivel up (crenation) when water leaves the cell. This occurs when the solution outside of the cell is ____________. 

Hypertonic

400

These proteins catalyze chemical reactions

Enzyme Proteins

500

What is the term used for proteins in the cell membrane that are only attached to the insider surface of the membrane?

Peripheral

500

Phagocytosis is an example of what type of transport mechanism?

Bulk Transport

500

Which type of transport is often referred to as "cellular drinking"?

Pinocytosis

500

This type of pressure can develop as a result of osmosis. 

Osmotic Pressure

500

This protein fiber helps cells resist stretching forces. 

Collagen