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15. Control and Coordination

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  1. 15.1 Control and Coordination in Mammals

    1. • Endocrine system features: ADH, glucagon, insulin

    2. • Compare nervous system and endocrine system

    3. • Sensory neurone and motor neurone structure and function; intermediate neurones

    4. • Sensory receptor cells: detect stimuli, stimulate impulse transmission

    5. • Action potential sequence in sensory neurone using taste bud chemoreceptor example

    6. • Membrane potential changes: - Resting potential maintenance - Action potential events - Resting potential restoration during refractory period

    7. • Rapid transmission in myelinated neurone: saltatory conduction

    8. • Refractory period importance in determining impulse frequency

    9. • Cholinergic synapse structure and function: calcium ion role

    10. • Neuromuscular junctions, T-tubule system, sarcoplasmic reticulum in stimulating contraction

    11. • Striated muscle ultrastructure: sarcomere structure

    12. • Sliding filament model of contraction: roles of troponin, tropomyosin, calcium ions, ATP

  2. 15.2 Control and Coordination in Plants

    1. 15.2.1Venus fly trap rapid response

      • Venus fly trap rapid response: stimulation of hairs, trap closure mechanism

    2. 15.2.2Auxin role in elongation growth

      • Auxin role in elongation growth: stimulates proton pumping to acidify cell walls

    3. 15.2.3Gibberellin role in barley germination

      • Gibberellin role in barley germination