Tuesday, April 03, 2007

Chromosomes



  • Chromosomes are made of a chemical called DNA. Most kinds of living organisms use DNA to make their chromosomes.



  • A fertilized egg cell contains the instructions for making proteins in a human.



  • Proteins are important chemicals for cells, there are many different types of proteins in our bodies.



  • Enzymes~ build the body.



  • Structural proteins~ speed up chemical reactions in the body.

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