AQA•A-Level•Biology
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Biological Molecules
Carbohydrates, lipids, proteins, nucleic acids, enzymes, and water
Practice 51 subtopics in Biological Molecules. All questions match the AQA A-Level specification.
About Biological Molecules
Biological Molecules is a key topic in the AQA A-Level Biologyspecification. This topic covers carbohydrates, lipids, proteins, nucleic acids, enzymes, and water.
Master all 51 subtopics below with unlimited AI-generated questions. Each subtopic page includes sample questions and the ability to generate unlimited practice questions with detailed solutions.
All Subtopics (51)
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Monomers and polymersCondensation and hydrolysis reactionsMonosaccharidesGlucose isomersDisaccharidesGlycosidic bondsPolysaccharidesStarch structure and functionGlycogen structure and functionCellulose structure and functionTriglyceridesEster bondsSaturated and unsaturated fatty acidsPhospholipidsFunctions of lipidsAmino acidsPeptide bondsPrimary structureSecondary structureTertiary structureQuaternary structureGlobular proteinsFibrous proteinsCollagen structureHaemoglobin structureDNA structureRNA structureNucleotidesPhosphodiester bondsPurines and pyrimidinesComplementary base pairingDNA replicationSemi-conservative replicationATP structure and functionLock and key modelInduced fit modelEnzyme specificityFactors affecting enzyme activityVmax and KmCompetitive inhibitorsNon-competitive inhibitorsRequired Practical 1: Effect of enzyme concentrationProperties of waterHydrogen bondingCohesion and surface tensionSpecific heat capacitySolvent propertiesRole of inorganic ionsIron ionsHydrogen ionsPhosphate ions
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