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WalesBiologyQuick questions

Unit 1: Basic Biochemistry and Cell Organisation

Quick questions on Nucleic acids and replication - WJEC A-Level Biology

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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State the three components of a nucleotide. [1 mark]
What is q2?
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Explain why complementary base pairing ensures the two new DNA molecules are identical to the original. [2 marks]
What is q3?
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A DNA sample contains 28%28\% thymine. Calculate the percentage of cytosine. [2 marks]

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