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IB Biology Topic D1.2 Protein Synthesis (SL/HL) covers syllabus content as part of Topic D1: Molecules under Theme D: Continuity and Change. Use these Notes, Questionbank, Videos, Flashcards, and Lessons to review the topic, practise exam questions, and move between notes, videos, flashcards, and lessons where available.
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D1.2.1 Transcription as the synthesis of RNA using a DNA template
D1.2.2 Role of hydrogen bonding and complementary base pairing in transcription
D1.2.3 Stability of DNA templates
D1.2.4 Transcription as a process required for the expression of genes
D1.2.5 Translation as the synthesis of polypeptides from mRNA
D1.2.6 Roles of mRNA, ribosomes and tRNA in translation
D1.2.7 Complementary base pairing between tRNA and mRNA
D1.2.8 Features of the genetic code
D1.2.9 Using the genetic code expressed as a table of mRNA codons
D1.2.10 Stepwise movement of the ribosome along mRNA
D1.2.11 Mutations that change protein structure
D1.2.12 Directionality of transcription and translation (HL)
D1.2.13 Initiation of transcription at the promoter (HL)
D1.2.14 Non-coding sequences in DNA do not code for polypeptides (HL)
D1.2.15 Post-transcriptional modification in eukaryotic cells (HL)
D1.2.16 Alternative splicing of exons to produce variants of a protein from a single gene (HL)
D1.2.17 Initiation of translation (HL)
D1.2.18 Modification of polypeptides into their functional state (HL)
D1.2.19 Recycling of amino acids by proteasomes (HL)