15. Control and Coordination
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15.1 Control and Coordination in Mammals
15.1.1Endocrine system features
• Endocrine system features: ADH, glucagon, insulin
15.1.2Nervous and endocrine systems
• Compare nervous system and endocrine system
15.1.3Sensory, motor and intermediate neurones
• Sensory neurone and motor neurone structure and function; intermediate neurones
15.1.4Sensory receptor cells
• Sensory receptor cells: detect stimuli, stimulate impulse transmission
15.1.5Action potential sequence
• Action potential sequence in sensory neurone using taste bud chemoreceptor example
15.1.6Membrane potential changes
• Membrane potential changes: - Resting potential maintenance - Action potential events - Resting potential restoration during refractory period
15.1.7Rapid transmission in myelinated neurone
• Rapid transmission in myelinated neurone: saltatory conduction
15.1.8Refractory period
• Refractory period importance in determining impulse frequency
15.1.9Cholinergic synapse structure and function
• Cholinergic synapse structure and function: calcium ion role
15.1.10Muscle contraction stimulation
• Neuromuscular junctions, T-tubule system, sarcoplasmic reticulum in stimulating contraction
15.1.11Striated muscle ultrastructure
• Striated muscle ultrastructure: sarcomere structure
15.1.12Sliding filament model of contraction
• Sliding filament model of contraction: roles of troponin, tropomyosin, calcium ions, ATP
15.2 Control and Coordination in Plants
15.2.1Venus fly trap rapid response
• Venus fly trap rapid response: stimulation of hairs, trap closure mechanism
15.2.2Auxin role in elongation growth
• Auxin role in elongation growth: stimulates proton pumping to acidify cell walls
15.2.3Gibberellin role in barley germination
• Gibberellin role in barley germination