Learning Objectives: to identify the molecules that make up DNA; use cut-outs to construct a molecule of DNA and show how it replicates; identify the molecules that make up RNA; explain how RNA trnscribes the nitrogen bases of DNA; compare and contrast DNA and mRNA structure.
Key Concepts: DNA structure, nucleotides, base pairing (Chargaff’s Rule), DNA replication, RNA structure, mRNA, transcription.
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Nucleotides: