esat.fyi

Biology for the ESAT

Cells, physiology, genetics, ecosystems, and the biology the exam draws on.

34 topics across 11 areas, each a full lesson with worked examples.

Animal physiology

5 topics
  1. Respiration And The Respiratory SystemB9.1
  2. Animal Physiology Organ SystemsB9.2
  3. Animal Physiology HomeostasisB9.3
  4. Animal Physiology Hormones And ReproductionB9.4
  5. Disease And Body DefenceB9.5

Cell division and sex determination

4 topics
  1. Mitosis And The Cell CycleB3.1
  2. Meiosis And The Cell CycleB3.2
  3. Asexual And Sexual ReproductionB3.3
  4. Sex Determination And ChromosomesB3.4

Cells

3 topics
  1. Eukaryotic Cell Structure And FunctionB1.1
  2. Prokaryotic Cell Structure FunctionB1.2
  3. Levels Of Organisation In OrganismsB1.3

DNA

4 topics
  1. Genome Chromosomes And Protein SynthesisB5.1
  2. Structure And Function Of DnaB5.2
  3. Protein Synthesis Dna PolypeptidesB5.3
  4. Dna Gene MutationsB5.4

Ecosystems

3 topics
  1. Organisation Of Ecosystems And CommunitiesB10.1
  2. Carbon And Water Cycles In EcosystemsB10.2
  3. Sampling Biodiversity And Human ImpactsB10.3

Enzymes

4 topics
  1. Enzymes Biological CatalystsB8.1
  2. Enzyme Action Active Site SpecificityB8.2
  3. Factors Affecting Enzyme ActionB8.3
  4. Role Of Amylases Proteases And LipasesB8.4

Gene technologies

3 topics
  1. Genetic Engineering Processes And ApplicationsB6.1
  2. Stem Cells Differentiation PotencyB6.2
  3. Selective Breeding Populations EvolutionB6.3

Inheritance

3 topics
  1. Nucleus Site Of Genetic MaterialB4.1
  2. Genetic Inheritance And TerminologyB4.2
  3. Monohybrid Crosses And InheritanceB4.3

Movement across membranes

1 topic
  1. Movement Across Cell MembranesB2.1

Plant physiology

2 topics
  1. Importance Of PhotosynthesisB11.1
  2. Plant Physiology Transport SystemsB11.2

Variation

2 topics
  1. Natural Selection And EvolutionB7.1
  2. Sources Of Genetic And Environmental VariationB7.2