Cell Theory

Front

What is Cell Theory?

Back

Cell Theory is a fundamental scientific theory that states: 1) All living organisms are composed of cells, 2) The cell is the basic unit of life, and 3) All cells arise 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

What is the basic unit of life according to Cell Theory?

Back

The basic unit of life according to Cell Theory is the cell.

Front

Who concluded that all animals are made of cells?

Back

Theodor Schwann concluded that all animals are made of cells.

Front

What type of cells are more complex: Prokaryotic or Eukaryotic?

Back

Eukaryotic cells are more complex than Prokaryotic cells.

Front

What did Robert Hooke discover?

Back

Robert Hooke discovered cells by observing cork under a microscope.

Front

What is the significance of Anton Van Leeuwenhoek's work?

Back

Anton Van Leeuwenhoek is known for his work in microscopy and for being the first to observe living cells.

Front

What does the second part of Cell Theory state?

Back

The second part of Cell Theory states that the cell is the basic unit of structure and function in living organisms.

Front

Are viruses considered living organisms?

Back

Viruses are not considered living organisms because they cannot reproduce on their own and lack cellular structure.

Front

What is a Prokaryotic cell?

Back

A Prokaryotic cell is a simple, unicellular organism that lacks a nucleus and membrane-bound organelles.