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aQA AS BIOLOGY (7401/2) Paper 2 June 2022 CORRECT Mark scheme
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aQA AS BIOLOGY (7401/2) Paper 2 June 2022 CORRECT Mark scheme Q01.1 A sequence of DNA (nucleotide) bases that codes for a polypeptide; Q01.2 1. Pre-mRNA (only) produced in eukaryote (cell); 2. Splicing (only) occurs in eukaryote (cell); 3. Introns removed in eukaryote (cell) OR Introns not present in prokaryote (cell); Q01.3 1. PNA is complementary to DNA OR PNA forms base pairs with DNA; 2. Preventing/reducing RNA polymerase activity/binding OR Prevents RNA nucleotides binding OR Reducing/stopping transcription;
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AS BIOLOGY 7401/2
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AS BIOLOGY 7401/2
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- AS BIOLOGY 7401/2
- Course
- AS BIOLOGY 7401/2
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- March 9, 2023
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as biology 74012
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