Chapter 8 Life Is Cellular

What’s the smallest part of any living thing that still counts as being “alive?”

• atom
• protein
• cell 
• tissue

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The cell theory states: 

• All living things are made up of cells
• Cells are the basic units of structure and function in living things
• All cells are produced from existing cells
• All answers are correct

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It was not until the mid-____ that scientists began to use microscopes to observe living things.

• 1600's
• 1500's
• 1700's
• 1900's

In 1665, Englishman ______ used an early compound microscope to look at a nonliving thin slice of _______.

• Robert Hooke/cork
• Anton van Leeuwenhoek/cork
• Einstein/cork
• Robert Hooke/pond

Anton van Leeuwenhoek is known for examining living things under a microscope including human mouth tissue and bacteria. 

• True
• False

Soon after Leeuwenhoek, observations made by other scientists made it clear that ______were the basic units of life.

• molecules
• organs
• atoms
• cells

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In 1838, German botanist Matthias Schleiden concluded that all ______ are made of cells.

• animals
• plants
• protists
• fungi

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German biologist Theodor Schwann stated that all ______ were made of cells.

• plants
• animals
• bacteria
• fungi

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German physician Rudolf Virchow concluded that new cells could be produced only from: 

• the division of existing cells
• thin air
• deceased cells
• molecules

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Prokaryotic cells do not separate their genetic material within a nucleus.

• True
• False