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Dr Barbara Pearse from the Laboratory of Molecular Biology in Cambridge describes her discovery of the protein clathrin, which plays an important role in this process. Other proteins, called receptors,...
Sea urchins and snails, worms and whales, crabs and crayfish - the ocean seethes with a wealth of animal forms. Can we tease any underlying patterns from this immense diversity? This programme looks at a...
Animals have evolved many different methods for obtaining oxygen from their environment. This programme explores the respiratory challenges of two organisms: the water-breathing crab and the air-breathing...
Uses examples from various insect orders to show the basic design of a hard outer skeleton, jointed legs and specialised mouthparts serves a wealth of different lifestyles. Contrasts the life histories of...
Discusses how various organelles of a cell interact to form a working whole, using the chloroplast of plant cells to illustrate the process. Shows methods for isolating metabolically active chloroplasts from...
Looks at how the heart responds to the demands from the tissues in various physiological situations. During exercise changes in blood flow can be achieved not only by an increase in heart rate, but by a...
Looks at a problem most of us take for granted - the need to balance our blood sugar. Mike Shaw has type 1 or insulin-dependent diabetes requiring regular injections of insulin to maintain a constant level...
Atlantic salmon migrate between freshwater and the sea at least twice during their lives: once as young smolts migrating down to the sea, and again as adults returning to the Scottish rivers to spawn. This...
Follows a link between the cells involved in human colour vision and a rather unusual bacterium from the Dead Sea. Dr Jim Bowmaker, Institute of Ophthalmology, London, describes the techniques for looking at...
1 (15 min): Close-up photography of colour reactions and colour of metal ions in solution. Titanium dioxide, tetrachloride, and reduction of titanium IV to III. Manganese ions from II to VII, and oxidation...
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