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Higher Biology

Higher Biology. Unit 1 DNA and the Genome. KEY AREA 5: The Structure of the Genome. DNA and the Genome Learning Intentions. KEY AREA 5 – The Structure of the Genome. 5a) The Genome. The genome of an organism is its entire hereditary information encoded in its DNA

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Higher Biology

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  1. Higher Biology Unit 1 DNA and the Genome KEY AREA 5: The Structure of the Genome

  2. DNA and the Genome Learning Intentions KEY AREA 5 – The Structure of the Genome

  3. 5a) The Genome The genome of an organism is its entire hereditary information encoded in its DNA A genome is made up of genes and other DNA sequences that do not code for proteins Most of the eukaryotic genome consists of non-coding regions DNA sequences that code for protein are called genes Other sequences regulate transcription and others are transcribed but never translated

  4. Genes have a promoter and a regulator sequence associated with them • * See Torrance p.56 for more information • Some repetitive DNA sequences are found at the ends of chromosomes: these are thought to make a protective structure called a telomere, which stops the chromosome from being damaged at its ends 5b) Non-Transcribed DNA

  5. 5c) Non-Translated RNA tRNA and rRNA are non-translated forms of RNA They are able to carry out their specific functions without being translated into protein

  6. DNA and the Genome Questions KEY AREA 5 – The Structure of the Genome 1. Problem Solving P 14 Q 1-2 2. Quick Quiz

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