4.17B RNA
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Compare the structure of DNA and RNA.
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Total for this question: 3 marks
14 exam-style questions · Biology only (B): not in Science (Double Award). Write your answer, check it against the mark scheme and tick the points you earned. Your marks stay on this device. Your writing is not saved.
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4.17B RNA
Exam question
Mark points shown after marking
Compare the structure of DNA and RNA.
(3)Write your answer, then press Show model answer and tick each mark point your answer makes. Your answer is not saved.
Total for this question: 3 marks
4.17B RNA
Exam question
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Which base is found in RNA but not in DNA?
(1)Total for this question: 1 mark
4.17B RNA
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Give the mRNA sequence copied from the DNA template strand TACGGA.
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Total for this question: 1 mark
4.17B RNA
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State where mRNA is made.
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Total for this question: 1 mark
4.17B RNA
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Explain why mRNA is needed to make proteins.
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Total for this question: 2 marks
4.17B RNA
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State the roles of mRNA and tRNA.
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Total for this question: 2 marks
4.17B RNA
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Which molecule carries amino acids to the ribosome?
(1)Total for this question: 1 mark
4.17B RNA
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Explain why mRNA is shorter than DNA.
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Total for this question: 2 marks
4.17B RNA
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Give the anticodon on a tRNA that pairs with the mRNA codon GCA.
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Total for this question: 1 mark
4.17B RNA
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Explain why mRNA can pass through nuclear pores.
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Total for this question: 2 marks
4.17B RNA
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Suggest why cells break down mRNA after a time.
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Total for this question: 2 marks
4.17B RNA
Exam question
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Compare mRNA and tRNA.
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Total for this question: 2 marks
4.17B RNA
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Identify the base in mRNA that pairs with adenine on DNA.
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Total for this question: 1 mark
4.17B RNA
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State the sugar in RNA.
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Total for this question: 1 mark