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Cells
Cell Membrane
Passive Transport
Active Transport
Osmosis
100
The smallest units of life
What are cells?
100
The structure that regulates what enters and exits the cell?
What is the cell membrane?
100
Transport that does not require energy.
What is passive transport?
100
Movement of molecules across a cell membrane that requires energy.
What is active transport?
100
Osmosis is considered this type of transport.
What is passive transport?
200
Cells without a nucleus.
What are prokaryotes?
200

Another name for the cell membrane.

What is the phospholipid bilayer?

200
The movement of molecules from high concentration to low concentration.
What is diffusion?
200
Active transport that keeps sodium from building up in the cell.
What is a sodium potassium pump?
200
This solution has an equal number of solutes in and outside the cell.
What is isotonic.
300
A structure within a cell that performs a specific function.
What is an organelle?
300

The part of the membrane that is hydrophobic.

What are the tails?

300
Diffusion of water.
What is osmosis?
300
Molecules that are too large to move in the cell are transported through this process.
What is endocytosis?
300
Solution with high solute concentrations on the outside of the cell, making a cell shrink.
What is hypertonic?
400
Which type of molecule forms a lipid bilayer within a cell?
What is a phospholipid?
400

The part of the membrane that is hydrophilic.

What is the head?

400
The movement of molecules across a membrane with the help of a protein. Does not require energy.
What is facilitated diffusion?
400
Vesicles transport wastes out of the cell through this process.
What is exocytosis?
400
Solution with a low solute concentration on the outside, making the cell swell.
What is hypotonic?
500
The two organelles that are in a plant cell, but not in an animal cell?
What are cell wall and chloroplast.
500

These act as channels to allow molecules to move in and out of the cell.

What are proteins?

500
These types of molecules move easily through a cell membrane.
What are small, nonpolar molecules.
500
During active transport molecules move in this direction across the cell membrane.
What is from low concentration to high concentration?
500
After diffusion or osmosis a cell will be in this state.
What is homeostasis?