Acute response line slides 1213 biol 24516 o

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acute response line Slides 12+13, BIOL 245.16 o Evolutionary: Give evidence that there are long-term genetic changes that have allowed animals to be specialized for their environment (several examples given: LDH enzyme-substrate affinity and body temp, lenses, antarctic fish species) Be able to draw representative curves of ectotherms vs. endotherms in terms of (Slide 3, BIOL245.17 and Slide 5, BIOL245.17) Understand what is meant by the equation M= 1/I (Tb-Ta) and how exactly it is that temp is maintained in the TNZ despite changes in environmental temp (also, be able to define TNZ and describe for animals from different extremes (e.g. compare penguin to canadian goose)
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Haley Barnes 4 o Understand the physiological basis (and when appropriate know the mechanism creating the response) for: Postural changes, pilomotor response, vasomotor response (including precapillary sphincter), countercurrent exchange - how do these affect the ‘modes of heat transfer’ and which are most effectively changed by the various processes Above the TNZ, it becomes exceedingly hard to lose heat (why according to the equation) Explain the various slopes produced in well insulated vs. poor insulated animals when conduction is the driving force for metabolic rate (below critical threshold temperature) o Understand the physiological basis (and when appropriate know the mechanism creating the response) for: Shivering thermogenesis, non-shivering thermogenesis (understand how the mitochondria is used in this process and how it is similar and different from ATP production, know details of Slide 15, BIOL245.17), sweating, panting, gular fluttering) Define various modes of communication - simply define autocrine, contact-dependent and paracrine Distinguish between neuronal, endocrine, and neuroendocrine
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Haley Barnes 5 Describe the neuroendocrine feedback mechanism of lactation, beginning with stretch through to oxytocin release, drawing out all the cells and hormones present including how they are transported Relate what is meant by neurons being excitable cells and transducers Know the parts of a neuron and the various types of neurons, and where they are found in the body (according to the organization of the nervous system) Glial cells o Know all the types and where they are found (CNS vs. PNS) o Know what the various types do. In some cases this is very easy (e.g. microglia
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  • Fall '17
  • KS
  • Haley Barnes

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