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ZIMSEC A-Level Biology

8.4.1Nucleic Acids

Nucleic Acids in ZIMSEC A-Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic20 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 8.4.1.1Describe the structure of a nucleotide and the formation of a dinucleotide by a phosphodiester bond.
  2. 8.4.1.2Distinguish between RNA and DNA nucleotides.
  3. 8.4.1.3Describe the structure of DNA.

Lessons

  • Nucleotides and the structure of DNA and RNA

    35 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Nucleic Acids: sample question

1 mark

Which bond joins adjacent nucleotides along one strand of DNA?

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