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Explore the intricate world of sensory receptors and muscle function in organisms, from the eyes of insects to the muscles of vertebrates. Learn about chemoreceptors, photoreceptors, locomotion, and more in this educational guide.
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Figure 49.5 Chemoreceptors in an insect: Female silk moth Bombyx mori releasing pheromones; SEM of male Bombyx mori antenna
Figure 49.6 Specialized electromagnetic receptors: Rattle snake with infrared recpters, beluga whale pod
Figure 49.7 Eye cups and orientation behavior of a planarian
Figure 49.8x2 Insect vision: A black-eyed Susan (Rudbeckia hirta) as humans see it and in ultraviolet light as visible to an insect
Figure 49.13 From light reception to receptor potential: A rod cell’s signal-transduction pathway
Figure 49.14 The effect of light on synapses between rod cells and bipolar cells
Figure 49.29 Posture helps support large land vertebrates, such as bears, deer, moose, and cheetahs
Figure 49.30 The cooperation of muscles and skeletons in movement
Figure 49.32 The sliding-filament model of muscle contraction
Figure 49.33 One hypothesis for how myosin-actin interactions generate the force for muscle contraction (Layer 1)
Figure 49.33 One hypothesis for how myosin-actin interactions generate the force for muscle contraction (Layer 2)
Figure 49.33 One hypothesis for how myosin-actin interactions generate the force for muscle contraction (Layer 3)
Figure 49.33 One hypothesis for how myosin-actin interactions generate the force for muscle contraction (Layer 4)
Figure 49.34 Hypothetical mechanism for the control of muscle contraction