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Understanding DNA and RNA: The Building Blocks of Life

Explore the fascinating world of DNA and RNA, from the structure of nucleotides to the discovery of the double helix shape by Watson and Crick in 1953. Learn about the functions of DNA and RNA, replication, and the different types of RNA molecules. Discover how RNA complements DNA and the role of tRNA in delivering amino acids. Unravel the mysteries of heredity and life processes through the study of deoxyribonucleic acid and ribonucleic acid.

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Understanding DNA and RNA: The Building Blocks of Life

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  1. DNA & RNA Parts and What-not

  2. Deoxyribose (5-C sugar) Adenine Thymine Cytosine Guanine Phosphate group Nitrogen base Watson & Crick 1953 Which are made of: nucleotides What is it made of? Heredity Life processes First model: Who discovered the double helix shape? DNA What is it’s function? Deoxyribonucleic acid Griffith ’28 & Avery ‘44 Other important scientists: Hershey & Chase 1952 Replication Chargoff 1949 Define: Double helix Copy Wilkins & Franklin 1952 Process: AGTGCATGTTACCGA TCACGTACAATGGCT

  3. Single strand Uracil not thymine Ribose not deoxyribose mRNA – messenger RNA Carries DNA “message” How does RNA differ from DNA? Complements DNA RNA Ribonucleic acid tRNA – transfer RNA Carries and delivers amino acids What forms does RNA take? How does it work? DNA – ATCCGTG RNA -- UAGGCAC rRNA – Ribosomal RNA Ribosomes are made of it. DNA – TACGAT RNA -- AUGCUA

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