Parts of Cells and Cell Theory

Front

What is an organelle?

Back

A membrane-bound structure inside a cell that performs a specialized function.

Front

What is the function of the cell membrane?

Back

The thin tissue that forms the outer surface of the cytoplasm of a cell and regulates the passage of materials into and out of the cell.

Front

What is an organism?

Back

A single, self-contained living thing.

Front

What role do fungi play in the ecosystem?

Back

Microorganisms important as decomposers; widely distributed and can break down just about any type of organic matter.

Front

What are cilia?

Back

Hair-like structures on the outside of cells that produce movement.

Front

What is the nucleus?

Back

The organelle that contains the cell's genetic material and controls its activities.

Front

What is the cell wall?

Back

A rigid outer layer that provides support and protection to plant cells.

Front

What is cytoplasm?

Back

The jelly-like substance inside a cell that contains organelles and is the site of many cellular processes.

Front

What is the function of ribosomes?

Back

Organelles that synthesize proteins by translating messenger RNA.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells do.