Cell Theory and Cell Organelles

Front

What is Cell Theory?

Back

Cell Theory is a fundamental concept in biology 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 all plants are made of cells?

Back

Matthias Schleiden proposed that all plants are made of cells.

Front

Who proposed that all animals are made of cells?

Back

Theodor Schwann proposed that all animals are made of cells.

Front

What did Rudolf Virchow contribute to Cell Theory?

Back

Rudolf Virchow proposed that all cells come from pre-existing cells.

Front

What is the basic unit of life?

Back

The basic unit of life is the cell.

Front

What is the function of the mitochondrion?

Back

The mitochondrion is responsible for energy production in a cell.

Front

What is the main function of the nucleus?

Back

The nucleus contains genetic material and controls cell activities.

Front

What organelle is responsible for photosynthesis?

Back

The chloroplast is responsible for photosynthesis.

Front

Do all cells have a nucleus?

Back

Not all cells have a nucleus; prokaryotic cells do not have a nucleus, while eukaryotic cells do.

Front

What is the role of the cell membrane?

Back

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