Cells and Cell Theory

Front

What are the three main components of cell theory?

Back

1. All living organisms are composed of one or more cells. 2. The cell is the basic unit of life. 3. All cells arise from pre-existing cells.

Front

What is a key difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells do.

Front

Name an example of a eukaryotic organism.

Back

Fungi, plants, animals, and protists are all examples of eukaryotic organisms.

Tags

NGSS.MS-LS4-2

Front

What is the function of ribosomes in a cell?

Back

Ribosomes are structures made of protein and RNA that are used for protein synthesis.

Front

Who is known for the discovery that all cells come from existing cells?

Back

Rudolf Virchow is the German scientist known for this discovery.

Front

What is the significance of the nucleus in eukaryotic cells?

Back

The nucleus contains the cell's genetic material (DNA) and controls the cell's activities.

Tags

NGSS.HS-LS3-1

Front

What are membrane-bound organelles?

Back

Membrane-bound organelles are specialized structures within a cell that are enclosed by membranes, such as the nucleus, mitochondria, and endoplasmic reticulum.

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NGSS.HS-LS2-5

Front

What is the primary component of the cell membrane?

Back

The primary component of the cell membrane is the phospholipid bilayer.

Front

What is the role of the cell wall in plant cells?

Back

The cell wall provides structural support and protection to plant cells.

Front

What is the difference between unicellular and multicellular organisms?

Back

Unicellular organisms consist of a single cell, while multicellular organisms are made up of multiple cells.

Tags

NGSS.MS-LS1-1