Unit 3 Review - Condensed for Midterm

Front

What is active transport?

Back

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

Front

What is osmosis?

Back

The movement of water molecules across a selectively permeable membrane.

Front

What is facilitated diffusion?

Back

The process by which large molecules move across the cell membrane from high concentration to low concentration through a protein channel.

Front

What type of cell is bacteria?

Back

Prokaryotic cell.

Front

What organelle converts food into energy in plant and animal cells?

Back

Mitochondria.

Front

What is diffusion?

Back

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

Front

What is the role of the cell membrane?

Back

To protect the cell and control what enters and exits.

Front

What is a eukaryotic cell?

Back

A cell that has a nucleus and membrane-bound organelles.

Front

What is the function of chloroplasts?

Back

To conduct photosynthesis in plant cells.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have them.