Cell Theory & Classifying Cells

Front

What is the cell theory?

Back

The cell theory states that all living organisms are composed of cells, cells are the basic unit of life, and all cells arise from pre-existing cells.

Front

What are the two main types of cells?

Back

Prokaryotic cells and eukaryotic cells.

Front

What defines a prokaryotic cell?

Back

Prokaryotic cells are unicellular organisms that lack a nucleus and membrane-bound organelles.

Front

What defines a eukaryotic cell?

Back

Eukaryotic cells are organisms whose cells contain a nucleus and membrane-bound organelles.

Front

What is a protist?

Back

Protists are a diverse group of eukaryotic microorganisms, which can be unicellular or multicellular.

Front

What is the shape of bacillus bacteria?

Back

Bacillus bacteria are rod-shaped.

Front

What is the shape of coccus bacteria?

Back

Coccus bacteria are round or spherical in shape.

Front

How do unicellular organisms differ from multicellular organisms?

Back

Unicellular organisms are made of only one cell, while multicellular organisms are composed of multiple cells.

Front

What are the main characteristics of eukaryotic cells?

Back

Eukaryotic cells have a defined nucleus, membrane-bound organelles, and are generally larger and more complex than prokaryotic cells.

Front

Can protists be multicellular?

Back

Yes, some protists can be multicellular, such as certain algae.