Paper 1 Expected

Commonly Assessed

• carbohydrates

  • monosaccharides

  • disaccharides

  • polysaccharides

  • biochemical tests

• proteins

  • amino acid backbone (NH2[R]COOH)

  • primary

  • secondary

  • tertiary

  • quaternary

  • enzymes

• immunity

• gas exchange

  • mammals

  • terrestrial insects

  • fish

  • plants

• mass transport

  • animals

    • structure of heart

    • cardiac cycle

    • oxyhaemoglobin dissociation curves

    • tissue fluid

  • plants

    • transpiration

    • cohesion-tension

    • translocation of sucrose

• genetic diversity

  • meiosis

  • gene mutations

  • chromosome mutations

  • natural selection

  • evolution

  • stabilising selection

  • directional selection

Not Assessed in 2024

• mass transport

  • plants

    • translocation

    • cohesion-tension

  • animals

    • haemoglobin

    • cardiac cycle

• nucleic acids

  • DNA

  • RNA

  • semi-conservative replication

• meiosis

  • crossing over

  • diploid to haploid

  • chromosome mutations

• DNA

  • features of genetic code

  • histones

• immunity

• gas exchange

  • fish

  • insects

• protein synthesis

  • transcription

  • translation

Maths and Practical Skills

• microscopy

• uncertainty

• serial dilutions