Cell Theory & Cell Theory Scientists

Front

What is the Cell Theory?

Back

The Cell Theory states that: 1) All living things are composed of cells. 2) Cells are the basic unit of structure and function in living things. 3) All cells come from pre-existing cells.

Front

Who is known for discovering and naming cells?

Back

Robert Hooke is known for discovering and naming cells while observing cork under a microscope.

Front

What did Rudolf Virchow contribute to Cell Theory?

Back

Rudolf Virchow proposed that all cells come from other living cells, which is the last major principle of Cell Theory.

Front

What is the basic structural and functional unit of all living things?

Back

The basic structural and functional unit of all living things is the cell.

Front

Which statement is NOT part of the Cell Theory?

Back

Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

Front

Who was the first to observe living cells?

Back

Anton van Leeuwenhoek was the first to observe living cells, which he called 'animalcules'.

Front

What are the three main components of the Cell Theory?

Back

1) All living things are made of cells. 2) Cells are the basic unit of life. 3) All cells arise from existing cells.

Front

What did Matthias Schleiden contribute to Cell Theory?

Back

Matthias Schleiden concluded that all plants are made of cells.

Front

What did Theodor Schwann contribute to Cell Theory?

Back

Theodor Schwann concluded that all animals are made of cells.

Front

What is a prokaryotic cell?

Back

A prokaryotic cell is a simple, single-celled organism that lacks a nucleus and membrane-bound organelles, such as bacteria.