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Exploring DNA Discoveries: History and Structure Insights

Explore the fascinating world of DNA, from its discovery to its structure. Enhance your genetic vocabulary and knowledge about this crucial molecule. Homework: Research the discovery of DNA and summarize its significance by Friday. Engage in group activities to learn more about DNA and nucleotides. Questions and discussions will deepen your understanding. Plenary sessions will help consolidate your newfound knowledge and plan for future lessons.

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Exploring DNA Discoveries: History and Structure Insights

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  1. 3.2.2 DNA L.O: • To recall information from GCSE about DNA • To improve genetic vocabulary from KS4 to KS5 Homework: Research who discovered DNA and write a short summary on this major discovery. Due Friday 16th.

  2. What do you know about DNA? • In small groups, using the picture as an aid, write as much as you know about DNA on the A3 sheet. • Highlight any keywords, can you get more than 10? • What point on your sheet do you think is the most important? Put a ‘*’ next to it

  3. Share the knowledge! • Swap sheets • In 60 seconds, add as much detail as possible to their poster

  4. Add to your knowledge! • http://www.youtube.com/watch?v=FUA6_Ucw3i4

  5. Nucleotides! This is a MONONUCLEOTIDE, if you joined two together what would you get? And then many? And how would they join? Basic structure… Deoxyribose

  6. Nucleotides! This is a MONONUCLEOTIDE, if you joined two together what would you get? And then many? And how would they join? Basic structure… Two = dinucleotide. Many = polynucleotide. Join together by a condensation reaction. Deoxyribose

  7. 5) Remember that A pairs with T, and G pairs with C Questions to think about… What do you notice about the directions the nucleotides on each side? Why do you think the bases (A T C G) are on the inside?

  8. The strands are anti-parallel (go in two different directions)

  9. The strands are anti-parallel (go in two different directions) Sugar – phosphate backbone

  10. The strands are anti-parallel (go in two different directions) 2 hydrogen bonds between A and T Sugar – phosphate backbone 3 hydrogen bonds between G and C

  11. The strands are anti-parallel (go in two different directions) DNA is a stable molecule of hereditary 2 hydrogen bonds between A and T Sugar – phosphate backbone 3 hydrogen bonds between G and C

  12. http://www.youtube.com/watch?v=FCzWd9dXURM

  13. Plenary • What do you know now that you didn’t know 60 mins ago? • How could you best demonstrate your new knowledge about DNA? • What do you think we might learn next lesson?

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