IB Biology A1.2 Definitions

This page contains our IB Biology definitions for A1.2. By learning each one of these definitions, you will fully cover the content for IB Biology 'Further nucleic acids'.
antiparallel

The property of DNA strands being next to each other but running in opposite directions

HL
nucleosome

A complex composed of DNA bound to an eight-histone protein core and a linker histone protein

nucleotide

The most basic unit of a nucleic acid

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