Cell Theory & Characteristics (TEKS 6.13 A&B)

Front

What is a Prokaryotic Cell?

Back

A Prokaryotic Cell is a simple, single-celled organism that lacks a nucleus and membrane-bound organelles. Examples include bacteria.

Front

What is a Eukaryotic Cell?

Back

A Eukaryotic Cell is a complex cell that has a nucleus and membrane-bound organelles. Examples include plant and animal cells.

Front

What is the Cell Theory?

Back

The Cell Theory states that all living things are made of cells, cells are the basic unit of life, and all cells come from preexisting 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 the Cell Theory?

Back

Rudolf Virchow stated that all cells come from preexisting living cells.

Front

What is the main difference between Prokaryotic and Eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus, while Eukaryotic cells do.

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What is a Cell Membrane?

Back

The Cell Membrane is a protective barrier that surrounds the cell, controlling what enters and exits.

Front

What is Cytoplasm?

Back

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

Front

What is DNA?

Back

DNA (Deoxyribonucleic Acid) is the molecule that carries genetic information in living organisms.

Front

What are Organelles?

Back

Organelles are specialized structures within a cell that perform specific functions, such as mitochondria and ribosomes.