CELLS: Basic Units of Life Revised

Who was the first person to discover cells?

• Anton van Leeuwenhoek
• Robert Hooke
• Rudolf Virchow
• Mattias Schleiden

What did Leeuwenhoek create to look at cells?

• Light Bulb
• Telescope
• Cork Cells
• Microscope

In 1673 Anton van Leewenhoek thought he saw "little animals" under the microscope. What do we call them today?

• Blood
• Protists
• Bacteria
• Animalcules

What is NOT part of the cell theory?

• All living things have blood cells. 
• All organisms are made of one or more cells.
• The cell is the basic unit of all living things.
• All cells come from existing cells. 

Why can a chicken egg be so big?

• It is a food source for other living things. 
• It has a hard shell for protection.
• It is made from sexual reproduction.
• It does not have to take in more nutrients.

Why are most cells so small?

• So we can see them with a microscope.
• So they can fit in our bodies. 
• So they can take in food and get rid of waste. 
• So they can reproduce quickly.

What cell part is NOT found in all cells?

• Cell Wall
• Cell Membrane
• Cytoplasm
• Genetic Material

The two kinds of cells are Prokaryotes and Eukaryotes. How are they different?

• Prokaryotes have a nucleus.
• Eukaryotes have a nucleus.
• Prokaryotes are plant cells.
• There is no difference.

What is the difference between bacteria and archaea?

• Bacteria are single celled, archaea are many celled. 
• Bacteria has DNA, archaea does not. 
• Are you speaking a different language?
• Bacteria live everywhere, archaea live in extreme environments.

How are eukaryotes different from prokaryotes?

• They aren't different, except the spelling.
• Phone a friend :/
• Eukaryotes have a NUCLEUS, prokaryotes do NOT!
• Prokaryotes have a NUCLEUS, eukaryotes do NOT!