Cell Theory

• All cells have a cell wall.

• All cells arise from pre-existing cells.

• All cells are capable of photosynthesis.

• All cells can develop into any other type of cell.

A cell is...

• the basic unit of structure and function in living organism

• an organism

• a basic part of everything that we see

• found only in animals, not plants

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What is the Function and Structure of the Cell Membrane?

• Structure: A porous, thin tissue that forms the outer surface of the cytoplasm.

  Function: Converts light energy into chemical energy.

• Structure: A porous, thin tissue that forms the outer surface of the cytoplasm.

  Function: Regulates the passage of materials in and out of the cell, protects and gives some structure.

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NGSS.MS-LS1-2

What is the Function and Structure of the Cytoplasm?

• Structure: The Jelly-like material that is within the cell and is enclosed by the cell membrane.

  Function: Gives support to the organelles within the cell.

• Structure: A porous, thin tissue that forms the outer surface of the cytoplasm.

  Function: Contains the genetic material responsible for controlling the activities of the cell

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NGSS.MS-LS1-2

Which of the following is a part of CELL THEORY?

• The functions of living things occur in cells.

• Cells exist only in multicellular organisms.

• Living things are composed of cells.

• Cells contain heredity information

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NGSS.MS-LS1-1

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group of cells working together is called .....

• organ system

• tissue

• organ

• cell

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Place a check by all the parts of The Cell Theory -

• All organisms are composed of cells

• Dead cells come from other dead cells.

• Cells are the basic unit of life.

• All cells come from the division of previous existing cells.

The smallest stuctural and functional unit of an organism -

• cell

• tissue

• organ

• organ system

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NGSS.MS-LS1-1

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In 1665, he looked at the bark of cork trees and called what he saw CELLS.

• Mathias Schleiden

• Anton van Leeuwenhoek

• Robert Hooke

• Rudolph Virchow

He concluded that all plant tissue was composed of cells -

• Schwann

• Hooke

• Schleiden

• Virchow