Specialized Cells

What is the function of the STOMATA in plants?

• Allows water to enter the plant

• Provides food to enter the plant

• Allows for gas exchange

• Site of photosynthesis

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What is the function of GUARD cells in plants?

• Allow gas exchange

• Control the opening & closing of the stomata

• Contain DNA

• Nucleus

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What is a STEM CELL?

• Cells found in the stems of plants.

• Cells that can differentiate into specialized cells.

• Cells that control your genes to be expressed.

• Cells that provide nutrients to your blood.

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What is the function of red blood cells?

• Help to digest your food.

• Help you breathe.

• Provide nutrients to your organs.

• Carry oxygen throughout your body.

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What does cell differentiation mean?

• Process by which a cell absorbs nutrients.

• Process by which a less specialized cell becomes a more specialized cell.

• Process by which a specialized cell becomes a less specialized cell.

• Process by which cells enter the cell cycle.

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NGSS.HS-LS1-4

As a fertilized egg divides, the cells differentiate because they...

• contain a lipid bilayer

• can clump together

• metabolize sugars rapidly

• have specific genes activated

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Cell differentiation is most directly regulated by...

• ATP

• DNA

• Lipids

• Sugars

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True or False: Environmental factors, such as temperature, can affect gene expression.

• True

• False

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Everything in your body is controlled by....

• Chloroplasts

• DNA

• Cancer

• Mitosis

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What is the function of nerve cells?

• Allow for gas exchange to happen.

• Transport oxygen throughout the body.

• Control DNA expression.

• Transmit electrical signals to different parts of the body.

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