Who first discovered the cell?

• Rudolf Virchow

• Theodore Schwann

• Antonie van Leeuwenhoek

• Robert Hooke

What did Robert Hooke observe under his microscope?

• Stem cells

• Chromosomes

• Cells in cork

• Animalcules

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NGSS.MS-LS1-1

What did Antonie van Leeuwenhoek call the tiny creatures he observed?

• Cells

• Animalcules

• Nuclei

• Globules

What is a key idea of cell theory?

• Cells are the basic unit of life

• Cells are seeded by the nucleus

• Cells crystalize from material

• Cells are made of globules

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NGSS.MS-LS1-1

Who stated that all cells come from existing cells?

• Theodor Schwann

• Mattias Schleiden

• Rudolf Virchow

• Walter Sutton

What did Walter Sutton and Theodor Boveri identify?

• The role of the nucleus

• The chromosome as the hub for heredity

• The process of cell division

• The structure of DNA

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What are stem cells?

• Cells that have developed into specialized cells

• Cells that are undifferentiated

• Cells that form the cell wall

• Cells that crystalize from material

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NGSS.HS-LS1-4

What did James Thomson achieve in 1998?

• Isolated human embryonic stem cells

• Discovered animalcules

• Identified chromosomes

• Described spermatozoa

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NGSS.HS-LS1-4

What did Robert Hooke's microscope use to illuminate specimens?

• A prism

• A laser

• A stage light

• A single lens

What did Schwann and Schleiden misunderstand about cells?

• Cells grow from the nucleus

• Cells are the basic unit of life

• Cells are made of globules

• Cells come from existing cells