Cell Transport / Cells Review

Front

What is the basic unit of living things?

Back

Cell

Front

What term describes maintaining a constant internal state in a changing environment?

Back

Homeostasis

Front

What are the two kinds of cells?

Back

Prokaryotes and Eukaryotes

Front

How do Prokaryotes and Eukaryotes differ?

Back

Eukaryotes have a nucleus.

Front

What is another term for 'selectively permeable'?

Back

Semipermeable

Front

How many layers thick is the lipid bilayer?

Back

2

Front

What is the function of the cell membrane?

Back

To protect the cell and control what enters and exits.

Front

What is diffusion?

Back

The movement of molecules from an area of high concentration to an area of low concentration.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What is active transport?

Back

The movement of molecules against their concentration gradient, requiring energy.