A LevelBiologyAQABiological Molecules

Biological Molecules (AQA A Level Biology)

Get ready for your AQA A Level Biology exams with our revision resources. Find everything you need to revise this topic, so you can go into your exam confident and prepared. Teachers and examiners write all our resources, and they’re designed specifically for each exam board. We regularly update them to match the latest syllabus, so you’ll only revise the most accurate, up-to-date information. Explore the collection below to get started.

Biological Molecules: Carbohydrates

  1. Biological Molecules: Key Terms
  2. Biological Molecules: Reactions
  3. Monosaccharides
  4. Glucose
  5. The Glycosidic Bond
  6. Chromatography: Monosaccharides
  7. Disaccharides
  8. Starch & Glycogen
  9. Cellulose
  10. Biochemical Tests: Sugars & Starch
  11. Finding the Concentration of Glucose

Biological Molecules: Lipids

  1. Lipids
  2. Triglyceride Function
  3. Phospholipids
  4. Biochemical Tests: Lipids
  5. Lipid Diagrams & Properties

Biological Molecules: Proteins

  1. Amino Acids & the Peptide Bond
  2. Chromatography: Amino Acids
  3. Protein Structure & Function
  4. Protein Interactions
  5. Biochemical Tests: Proteins
  6. Globular & Fibrous Proteins
  7. The Molecular Structure of Haemoglobin
  8. The Molecular Structure of Collagen

Proteins: Enzymes

  1. Many Proteins are Enzymes
  2. Enzyme Specificity
  3. How Enzymes Work
  4. Required Practical: Measuring Enzyme Activity
  5. Maths Skill: Drawing a Graph for Enzyme Rate Experiments
  6. Maths Skill: Using a Tangent to Find Initial Rate of Reaction
  7. Limiting Factors Affecting Enzymes: Temperature
  8. Limiting Factors Affecting Enzymes: pH
  9. Maths Skill: Calculating pH
  10. Limiting Factors Affecting Enzymes: Enzyme Concentration
  11. Limiting Factors Affecting Enzymes: Substrate Concentration
  12. Limiting Factors Affecting Enzymes: Inhibitors
  13. Models & Functions of Enzyme Action
  14. Practical Skill: Controlling Variables & Calculating Uncertainty

Nucleic Acids: Structure & DNA Replication

  1. The Function of DNA & RNA
  2. Nucleotide Structure & the Phosphodiester Bond
  3. The Structure of DNA
  4. The Structure of RNA
  5. Ribosomes
  6. The Origins of Research on the Genetic Code
  7. Semi-Conservative Replication
  8. The Process of Semi-Conservative Replication
  9. Calculating the Frequency of Nucleotide Bases
  10. The Watson Crick Model

ATP, Water & Inorganic Ions

  1. The Structure of ATP
  2. Hydrolysis & Synthesis of ATP
  3. The Properties of Water
  4. Inorganic Ions

Biological Molecules: Carbohydrates

  1. Exam Questions

Biological Molecules: Lipids

  1. Exam Questions

Biological Molecules: Proteins

  1. Exam Questions

Proteins: Enzymes

  1. Exam Questions

Nucleic Acids: Structure & DNA Replication

  1. Exam Questions

ATP, Water & Inorganic Ions

  1. Exam Questions
AQA A Level Biology Past Papers