Cell Theory

Front

What is Cell Theory?

Back

Cell Theory is a fundamental concept in biology that states: 1) All living things are composed of cells. 2) The cell is the basic unit of life. 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 type of cell lacks a nucleus?

Back

Prokaryotic Cell.

Front

What is the primary function of the cell membrane?

Back

To control the movement of substances in and out of the cell.

Front

Which statement is NOT part of Cell Theory?

Back

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

Front

What type of organism has cells that contain a nucleus?

Back

Eukaryotic Cell.

Front

What are the two main types of cells?

Back

Prokaryotic and Eukaryotic cells.

Front

What is the basic unit of life?

Back

The cell.

Front

What do prokaryotic cells lack that eukaryotic cells have?

Back

A nucleus.

Front

What is the function of the nucleus in a cell?

Back

To store genetic information and control cellular activities.