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IB Biology HL A1.2.3 Nucleic Acid Bonding Question Bank

Practise IB Biology HL A1.2.3 by arranging DNA components and drawing how RNA nucleotides link into a strand.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Arrange sugar, phosphate and base components along a DNA strand.
  • Draw RNA nucleotides and show how covalent links form the RNA polymer.

A1.2.3—Sugar-phosphate bonding question 1

[Maximum number: 1]

What is the arrangement of the components of nucleotides in a single DNA strand?

A
Figure for Question A1.2.3—Sugar-phosphate bonding question 1 — IB Biology HL — Option A
B
Figure for Question A1.2.3—Sugar-phosphate bonding question 1 — IB Biology HL — Option B
C
Figure for Question A1.2.3—Sugar-phosphate bonding question 1 — IB Biology HL — Option C
D
Figure for Question A1.2.3—Sugar-phosphate bonding question 1 — IB Biology HL — Option D
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