Cell Theory and Membranes

Which statement was NOT included in cell theory?

• All living things are composed of cells.

• Living cells come only from other living cells.

• Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

• Cells are the smallest structure of living things that can perform the functions necessary for life.

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NGSS.MS-LS1-1

Which instrument is credited for helping scientists develop cell theory?

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This early cell theory scientist looked in a microscope and discovered "animalcules" in the gunk from his teeth and pond water.

• Schleiden

• Leeowenhoek

• Hooke

• Virchow

• Schwann

Who discovered and named cells while looking at cork?

• Captain Hook

• Robert Hooke

• Matthais Schleiden

• Rudolf Virchow

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NGSS.MS-LS1-1

What was Schleiden convinced of?

• All plants are made of cells

• All animals are made of cells

• All cells are prokaryotic

• None of the above

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NGSS.MS-LS1-1

Who noted that all animals are made of cells and helped write the first two parts of cell theory?

• Rudolf Virchow

• Anton van Leeuwenhoek

• Theodor Schwann

• Robert Hooke

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NGSS.MS-LS1-1

Who discovered that all cells come from other living cells and had research that lead to the last major principle of cell theory?

• Matthias Schleiden

• Theodore Schwann

• Robert Hooke

• Rudolf Virchow

These three scientists together helped come up with the second part of the cell theory (all living things are made of one or more cells). CHOOSE 3 ANSWERS

• Schleiden

• Leeowenhoek

• Hooke

• Virchow

• Schwann

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NGSS.MS-LS1-1

Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?

• The Theory of Gravity

• The Theory of Relativity

• The Cell Theory

• The Theory of Continental Drift

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

NGSS.MS-LS1-3

All living things are made up of...

• cells

• tissues

• organ

• organ systems

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NGSS.MS-LS1-1