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Chapters 2.19-2.21

Ms. Doshi. Chapters 2.19-2.21. Nucleic Acid Terms. nucleic acids -macromolecules that store information -made up of nucleotides -2 types: DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) Nucleotides (3 parts) -sugar + phosphate group + nitrogen-containing base DNA bases

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Chapters 2.19-2.21

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  1. Ms. Doshi Chapters 2.19-2.21

  2. Nucleic Acid Terms nucleic acids -macromolecules that store information -made up of nucleotides -2 types: DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) Nucleotides (3 parts) -sugar + phosphate group + nitrogen-containing base DNA bases -adenine (A), guanine (G), cytosine (C) or thymine (T) RNA bases -adenine (A), guanine (G), cytosine (C), or uracil (U)

  3. Nucleic Acid Structure (in DNA)

  4. 2.20 DNA -structure is a double helix -in DNA (bases form like this): adenine always bonds with thymine (2 H bonds) guanine always bonds with cytosine (3 H bonds)

  5. 2.20 DNA II

  6. DNA vs RNA

  7. RNA

  8. Questions Chapter 2 Review in Textbook MCQ: 1-20 pp. 77-79 And do these questions: • Nucleic acids are made up of ______. • What are the parts of a nucleotide? • What are the DNA bases? • What are the RNA bases? • What binds with guanine? • What binds with uracil? • What are the number of H bonds between adenine and thymine? • What are the 3 main differences between DNA and RNA? • DNA is a _________ helix. • What does DNA stand for?

  9. Any Questions?Any Answers?Any Comments? Goodbye!

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