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IB Biology D1.3 Definitions

This page contains our IB Biology definitions for D1.3. By learning each one of these definitions, you will fully cover the content for IB Biology 'Gene editing'.

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

enzyme

A protein that speeds up and controls the rate of reactions of metabolism by lowering the activation energy required for a reaction to happen

HL

Gene Knockout

A genetic engineering technique used to remove or inactivate specific genes in an organism

HL

genome

All the genes in an organism

HL

hypercholesterolaemia

A genetic condition characterized by very high levels of cholesterol in the blood

mutation

A random change to the base sequence of a gene

HL

TALENs

Nucleases that bind to a DNA domain and cleave it to introduce a frameshift mutation and inactivate the gene

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