Cell Theory and Cells

Front

What is Cell Theory?

Back

Cell Theory is a scientific theory that states: 1) All living things are made of cells, 2) Cells are the basic unit of life, and 3) All cells come from pre-existing cells.

Front

Who proposed that both plants and animals are made of cells?

Back

The scientist who proposed that both plants and animals are made of cells is Theodor Schwann.

Front

What type of cell is larger and contains a nucleus?

Back

Eukaryotic cells are larger and contain a nucleus.

Front

Which type of cell has DNA?

Back

Both prokaryotic and eukaryotic cells have DNA.

Front

What type of cell is a bacterial cell?

Back

Prokaryotic cells are bacterial cells.

Front

Who created the first microscope?

Back

Robert Hooke created the first microscope.

Front

What is the main difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus, while eukaryotic cells do.

Front

What is the function of the nucleus in a cell?

Back

The nucleus controls the cell's activities and contains the cell's genetic material (DNA).

Front

What are organelles?

Back

Organelles are specialized structures within a cell that perform specific functions, such as mitochondria for energy production.

Front

What is the role of the cell membrane?

Back

The cell membrane protects the cell and regulates what enters and exits the cell.