The course

• 1

  Start here

  Free: A tour of the biology course
• 2

  Section 1: Cells, membranes and DNA

  Free: Cells and transport across membranesDNA and making proteins43 questions
• 3

  Section 2: Proteins, genetic engineering and respiration

  Proteins, enzymes and genetic engineeringRespiration42 questions
• 4

  Section 3: New cells, nerves and hormones

  Mitosis, stem cells and specialisationNerves and hormones39 questions
• 5

  Section 4: Reproduction and inheritance

  Gametes and fertilisationVariation and inheritance39 questions
• 6

  Section 5: Transport and absorption

  Free: Transport in plantsBlood, the heart and absorption45 questions
• 7

  Section 6: Ecosystems and sampling

  Ecosystems, niches and competitionDistribution and sampling30 questions
• 8

  Section 7: Photosynthesis, food and evolution

  Photosynthesis and energy in ecosystemsFood production and evolution47 questions