Cell Theory

Front

What is Cell Theory?

Back

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

Front

Who proposed that all plants are made of cells?

Back

Matthias Schleiden proposed that all plants are made of cells.

Front

Who stated that all animals are made of cells?

Back

Theodor Schwann stated that all animals are made of cells.

Front

What is the basic building block of life?

Back

Cells are the basic building block of life.

Front

What do all living things consist of?

Back

All living things consist of cells.

Front

What is the significance of Rudolf Virchow in cell theory?

Back

Rudolf Virchow contributed to cell theory by stating that all cells come from pre-existing cells.

Front

What are prokaryotic cells?

Back

Prokaryotic cells are simple, single-celled organisms that do not have a nucleus or membrane-bound organelles.

Front

What are eukaryotic cells?

Back

Eukaryotic cells are complex cells that have a nucleus and membrane-bound organelles, found in plants, animals, and fungi.

Front

What is the role of the cell membrane?

Back

The cell membrane controls what enters and exits the cell, providing protection and support.

Front

What is cytoplasm?

Back

Cytoplasm is the jelly-like substance within a cell that contains organelles and is where many cellular processes occur.