Biology > Edexcel Question Paper > Pearson Edexcel Level 3 GCE Biology A (Salters Nuffield) Advanced Subsidiary PAPER 1: Lifestyle, Tra (All)
Pearson Edexcel Level 3 GCE Biology A (Salters Nuffield) Advanced Subsidiary PAPER 1: Lifestyle, Transport, Genes and Health 8BN0/01Answer ALL questions. Write your answers in the spaces provided. S... ome questions must be answered with a cross in a box . If you change your mind about an answer, put a line through the box and then mark your new answer with a cross . 1 (a) The diagram shows part of a mRNA base sequence. A U G C U A G G C A C G U A U A C G G G C (i) Give the sequence of the first six bases of the DNA that was transcribed to give this mRNA sequence. (1) .................................................................................................................................................................................................................................................................................... (ii) Give the maximum number of amino acids that would be in the part of the polypeptide chain produced from this mRNA base sequence. (1) .................................................................................................................................................................................................................................................................................... (iii) Give the maximum number of different tRNA molecules that would be needed to produce the polypeptide chain produced from this base sequence. (1) .................................................................................................................................................................... [Show More]
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