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SLIDING FILAMENT MODEL
Control, genomes and environment
F215 Unit 8: Responding to the environment
Muscle action is controlled by the neuromuscular junction, which is similar to a synapse. An action potential arrives at the synaptic knob of the
motor neurone which contains vesicles of acetylcholine, and the impulse causes the…

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INNATE BEHAVIOUR SOCIAL BEHAVIOUR IN GORILLAS
An innate behaviour is one which an animal is born with and naturally occurs. It is genetically predetermined, and all members Mountain gorillas live in troops which usually consist of around ten individuals (one dominant male, a number of adult females and
of the…

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PLANT GROWTH SUBSTANCES AND HOW PLANTS GROW GIBBERELLINS
Like animals, plants respond to their environment, both to biotic and abiotic factors. Those responses which are directional responses are called Hormones called gibberellins affect plant growth by both cell elongation and cell division. Although involved in a
tropisms (tropic movements), and…

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