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IB Biology A1.1 Definitions

This page contains our IB Biology definitions for A1.1. By learning each one of these definitions, you will fully cover the content for IB Biology 'Water'.

All Topic 1 Sub-topicsA1.1: Water (HL)A1.1: Origin of water A1.2: Nucleic Acids (HL)A1.2: Further nucleic acids B1.1: Carbohydrates And LipidsB1.2: Proteins (HL)B1.2: Further proteins C1.1: Enzymes & Metabolism (HL)C1.1: Further metabolism C1.2: Respiration (HL)C1.2: Further respiration C1.3: Photosynthesis (HL)C1.3: Further photosynthesis D1.1: DNA Replication (HL)D1.1: Further DNA replication D1.2: Protein Synthesis (HL)D1.2: Further protein synthesis D1.3: Mutations (HL)D1.3: Gene editing

dipole

The presence of positive and negative poles in a molecule due to unequal sharing of electrons between atoms

hydrogen bonding

The strongest intermolecular force that only occurs between hydrogen and oxygen, nitrogen, or fluorine

polar molecule

A molecule with unequal covalent bonds between the atoms

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