DP Biology (first assessment 2025)

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Question SPM.1A.HL.TZ0.3

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Date May Specimen-2023 Marks available [Maximum mark: 1] Reference code SPM.1A.HL.TZ0.3
Level HL Paper 1A Time zone TZ0
Command term Question number 3 Adapted from N/A
3.
[Maximum mark: 1]
SPM.1A.HL.TZ0.3

Which property of DNA explains how genetic information can be replicated accurately?


A.  Complementary base pairing

B.  The double helical shape

C.  5’ – 3’ bonding in the sugar-phosphate backbone

D.  The ability of DNA to bind to histones

[1]

Markscheme

A

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