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Chapter 20 Molecular Genetics Content  • The Structure of DNA  • The Role of DNA in Protein Synthesis  • Genes  • Genetic Engineering and Medical Biotechnology
Lesson Objectives ,[object Object],[object Object],[object Object],[object Object]
Recap
DNA ,[object Object],[object Object],[object Object],[object Object]
How is DNA organised in cells? ,[object Object],[object Object],[object Object]
 
How DNA is packed into a chromosome
Basic Unit of DNA ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
4 types of nucleotides linked to form a polynucleotide instead of thymine double ring structure  single ring structure
Nucleotides are the building blocks of DNA ,[object Object],[object Object],[object Object],[object Object]
Complementary base pairing  between polynucleotides ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
A DNA molecule ,[object Object],[object Object],[object Object],[object Object],[object Object]
 
A DNA molecule
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Chapter 20 Molecular Genetics Lesson 1 - Structure of DNA

  • 1. Chapter 20 Molecular Genetics Content • The Structure of DNA • The Role of DNA in Protein Synthesis • Genes • Genetic Engineering and Medical Biotechnology
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  • 7. How DNA is packed into a chromosome
  • 8.
  • 9. 4 types of nucleotides linked to form a polynucleotide instead of thymine double ring structure single ring structure
  • 10.
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  • 13.  
  • 15. Create a DNA model worksheet