Cells and Cell Theory 2

Schleiden, Schwann, and Virchow all contributed to the development of the cell theory. Which statements listed below are a part of the Cell Theory?

• Cells are the smallest unit of living things that can perform the processes necessary for life.

• The basic components of life consist of a nucleus, cell membrane, and mitochondrion.

• Living things come only from other living things.

• Cells are composed of atoms.

• All living things are composed of one or more cells.

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What two scientists determined that plants and animals are made of cells?

• Virchow

• Schwann

• Schleiden

• Hooke

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Anton van Leeuwenhoek was the first person to observe what?

• Bacteria

• Planets

• Cells

• Plants

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Mathias Schleiden concluded that all ___ are made of cells.

• Plants

• Animals

• Humans

• Cells

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Theodor Schwann concluded that all ___ are made of cells.

• Plants

• Animals

• Humans

• Cells

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Which part of the Cell Theory did Rudolph Virchow discover?

• The cell is the smallest unit of life

• All organisms are made of cells

• Cells come from other living cells

• Blood is made of cells

The jelly-like material inside the cell is called the ___

• Cell membrane

• Nucleus

• Cytoplasm

• Jellynator

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Which part of the cell separates its contents from its surroundings?

• Cell membrane

• Nucleus

• Cytoplasm

• Separator

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The nucleus acts like the ____ of the cell.

• Brain

• Heart

• Lungs

• Eyes

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What is NOT part of the cell theory?

• all cells come from existing cells

• all living things are made of cells

• all cells have a nucleus

• Cells are the basic unit and structure of all living things