Primrose Kitten

· Biological molecules:

Water | Video |

Monosaccharides, disaccharides | Video |

α-glucose and β–glucose and their polysaccharides, glycogen, starch and cellulose | Video |

Tests for reducing sugars, non-reducing sugars and starch | Video |

Lipids | Video 1 | Video 2 |

Amino Acids, dipeptides and polypeptides | Video |

Protein structure | Video |

· Nucleotides and nucleic acids

· EnzymesBiological membrane

· Cell division, cell diversity and cellular organisation

· Exchange surfaces:

Gas exchange in fish gills | Video |

· Transport in animals:

The Human heart | Video |

· Transport in plants

· Biodiversity

· Classification and evolution

· Communication and homeostasis

· Excretion as an example of homeostatic control

· Neuronal communication

· Hormonal communication

· Plant and animal responses