IB Biology Sub-topic B1.2 Definitions
This page contains our IB Biology definitions for sub-topic B1.2. By learning each one of these definitions, you will fully cover the content for IB Biology 'Further proteins'.
amino acid
The building block of proteins
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conjugated protein
Proteins with prosthetic groups, often a heme group
hydrogen bonding
The strongest intermolecular force that only occurs between hydrogen and oxygen, nitrogen, or fluorine
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integral protein
A protein embedded in the plasma membrane
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ionic bond
The electrostatic attraction between oppositely charged ions
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peptide bond
The chemical bonds that link amino acids together in a polypeptide chain
polypeptide
A chain of many amino acids bound together by peptide bonds
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