Cell Membrane & Transport Cell Membrane & Transport CensationalCensational Review Review

Name the molecule with a Name the molecule with a polar “head” and two polar “head” and two

nonpolar “tails”.nonpolar “tails”.

PHOSPHOLIPIDPHOSPHOLIPID

What 2 two words can be used to describe a What 2 two words can be used to describe a double layer of phospholipids?double layer of phospholipids?

LIPID BILAYERLIPID BILAYER

What general term can be given to proteins What general term can be given to proteins that are embedded in the plasma membrane that are embedded in the plasma membrane and reach from outside the cell to inside the and reach from outside the cell to inside the cell?cell?

INTEGRAL PROTEININTEGRAL PROTEIN

What is the name of the protein that is used What is the name of the protein that is used most often in facilitated diffusion?most often in facilitated diffusion?

CHANNEL PROTEINCHANNEL PROTEIN

Which proteins are responsible for Which proteins are responsible for transmitting information from the cells transmitting information from the cells environment to the interior of the cell?environment to the interior of the cell?

RECEPTOR PROTEINSRECEPTOR PROTEINS

Give an example of a marker protein.Give an example of a marker protein.

GLYCOPROTEIN OR GLYCOLIIPIDGLYCOPROTEIN OR GLYCOLIIPID

What kind of molecules are secreted by What kind of molecules are secreted by various glands in your body that like to hook various glands in your body that like to hook up with receptor proteins?up with receptor proteins?

HORMONESHORMONES

The movement of particles from an area of low The movement of particles from an area of low concentration to an area of high concentration concentration to an area of high concentration is known as…is known as…

ACTIVE TRANSPORTACTIVE TRANSPORT

When a solute goes from a high concentration When a solute goes from a high concentration to a low concentration in a solvent, without to a low concentration in a solvent, without energy, it is called ______ OR _______energy, it is called ______ OR _______

DIFFUSION or PASSIVE TRANSPORTDIFFUSION or PASSIVE TRANSPORT

If the solute concentration in a cell is the same If the solute concentration in a cell is the same as the solute concentration outside the cell, the as the solute concentration outside the cell, the cell is in a state of …….cell is in a state of …….

EQUILIBRIUM EQUILIBRIUM

The name for a mixture of solutes and solventsThe name for a mixture of solutes and solvents

SOLUTIONSOLUTION

The more plentiful substance that dissolves a The more plentiful substance that dissolves a solute is known as solute is known as

THE SOLVENTTHE SOLVENT

The movement of water molecules across a The movement of water molecules across a membrane in response to the concentration of membrane in response to the concentration of a solute is known asa solute is known as

OSMOSISOSMOSIS

When the surrounding environment of a cell has When the surrounding environment of a cell has a greater concentration of solutes than inside a greater concentration of solutes than inside the cell, what type of solution is the cell in?the cell, what type of solution is the cell in?

HYPERTONICHYPERTONIC

What is the term used to describe when some What is the term used to describe when some solutes are able to pass through a membrane solutes are able to pass through a membrane and others are not?and others are not?

SELECTIVELY PERMEABLESELECTIVELY PERMEABLE

When a cell has a greater concentration of When a cell has a greater concentration of solutes in it than in its surrounding solutes in it than in its surrounding environment, the cell is in what type of environment, the cell is in what type of solution?solution?

HYPOTONICHYPOTONIC

What is the name for a substance that dissolves What is the name for a substance that dissolves into another substance?into another substance?

SOLUTESOLUTE

What passive transport process uses channel What passive transport process uses channel proteins?proteins?

FACILITATED DIFFUSIONFACILITATED DIFFUSION

What type of solution is it when the What type of solution is it when the concentration of solutes in the cell and its concentration of solutes in the cell and its environment are the same?environment are the same?

ISOTONICISOTONIC

When a cell uses energy to transport a particle When a cell uses energy to transport a particle through a membrane against a concentration through a membrane against a concentration gradient it is known asgradient it is known as

ACTIVE TRANSPORTACTIVE TRANSPORT

What process uses energy and enables a cell to What process uses energy and enables a cell to engulf molecules too large to pass through engulf molecules too large to pass through protein channels?protein channels?

ENDOCYTOSISENDOCYTOSIS

When a cell engulfs solid particles it is calledWhen a cell engulfs solid particles it is called

PHAGOCYTOSISPHAGOCYTOSIS

When a cell gets rid of waste inside of its When a cell gets rid of waste inside of its vacuoles by having the vacuoles fuse with the vacuoles by having the vacuoles fuse with the plasma membrane and dumping the excretions plasma membrane and dumping the excretions outside the cell, it is known asoutside the cell, it is known as

EXOCYTOSISEXOCYTOSIS

The name when a cell uses energy to engulf The name when a cell uses energy to engulf liquids is liquids is

PINOCYTOSISPINOCYTOSIS

The maintaining of constant internal conditions, The maintaining of constant internal conditions, even within cells, is known aseven within cells, is known as

HOMEOSTASISHOMEOSTASIS

Proteins that do not span the entire lipid Proteins that do not span the entire lipid bilayer are known asbilayer are known as

PERIPHERAL PROTEINSPERIPHERAL PROTEINS