What Else Is Inside Cells?

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Presentation transcript:

What Else Is Inside Cells?

Water About two-thirds of the human body is water. - Chemical Compounds in Cells Water About two-thirds of the human body is water. Most chemical reactions within cells could not take place without water. Helps cells keep their size and shape.

Elements and Compounds - Chemical Compounds in Cells Elements and Compounds Carbon dioxide, which is found in gas bubbles, is a chemical compound. So is water.

Comparing and Contrasting - Chemical Compounds in Cells Comparing and Contrasting Type of Compound Elements Functions Store and provide energy and make up cellular parts Carbon, hydrogen, oxygen Carbohydrate Make up much of the structure of cells and speed up chemical reactions Carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur Protein Store energy Make up cell membranes Carbon, hydrogen, oxygen Lipid Carbon, oxygen, hydrogen, nitrogen, phosphorus Make up DNA and RNA—instructions to carry out life processes Nucleic Acids

Graphic Organizer Organic Compounds Carbo-hydrates Nucleic acids types made of include Organic Compounds Carbo-hydrates Nucleic acids Lipids Proteins Fats, oils, and waxes Amino acids Sugars Starches DNA RNA