Biology

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  • Created by: _lucyh
  • Created on: 05-02-15 17:20

DNA and Cell Division

  • DNA molecules are large and complex. They carry the genetic code which determines the characteristics to the living organism. 
  • A gene is a section of DNA that codes for specific protein. It is the unity of heredity, and may be copied onto the next generation.
  • The cell's nucleus is contains chromosomes. These are long threads of DNA, each made up of genes.
  • Each strand of DNA is made up of chemicals called bases. These are THYMINE (T), ADENINE (A), GUANINE (G) and CYTOSINE (C). 
  • Thymine pairs with adenine and guanine pairs with cytosine.
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