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IB Biology HL 1.2.7 DNA and RNA Differences Question Bank

Practise IB Biology HL 1.2.7 by comparing strand structure, sugars and bases, then identifying nucleic acids from molecular evidence.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Compare DNA and RNA using strand structure, pentose sugar, base composition and molecular forms.
  • Identify a nucleic acid from a diagram or molecular feature and justify the distinction.

A1.2.7—Differences between DNA and RNA question 1

[Maximum number: 1]

The diagram shows a nucleic acid, with some of the bases indicated.

Figure for Question A1.2.7—Differences between DNA and RNA question 1 — IB Biology HL

Identify the type of nucleic acid shown in the diagram.

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