Cells, Cell Theory, & Organelles

Front

What are prokaryotes?

Back

Microscopic single-celled organisms that do not have a nucleus or other membrane-bound organelles.

Front

What is the function of lysosomes?

Back

Contains digestive enzymes to break down worn out parts of the cell.

Front

What is the role of the nucleus in a cell?

Back

Controls cell functions because DNA is stored here.

Front

What is the cell membrane?

Back

A selectively permeable barrier that controls what enters and leaves the cell.

Front

What type of cell has a nucleus?

Back

Eukaryotic cells.

Front

What are organelles?

Back

Specialized structures within a cell that perform distinct processes.

Front

What is the cell theory?

Back

A fundamental concept in biology that states: 1) All living things are composed of cells, 2) Cells are the basic unit of life, 3) All cells come from pre-existing cells.

Front

What is the function of ribosomes?

Back

Synthesize proteins by translating messenger RNA.

Front

What is the difference between eukaryotic and prokaryotic cells?

Back

Eukaryotic cells have a nucleus and membrane-bound organelles, while prokaryotic cells do not.

Front

What is the cytoskeleton?

Back

A network of fibers that helps maintain cell shape and aids in movement.