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the body temperature of Arabian oryx fluctuates during the day from about 38oC, the normal body temperature, up to 42oC at midday, and then falls back to 38oC at night. Calculate how much water heterothermia saves over the 24 hr period. Normal Tb = 38oC. Max Tb = 42oC during middle part of day. You may need to know that the specific heat of tissue = 3.48 kJ (kg • oC), that is, it takes 3.47 kJ of heat to raise one kg of tissue one degree centigrade. We have already been introduced to the heat of vaporization of water which equals 2404.2 kJ/liter, i.e. it takes 2404.2 kJ of heat to convert a liter of water into vapor.
What kind of molecule is likeliest to act as an anesthetic in mammals?
Explain physiological changes that occur in three different organ systems when food is ingested and how these systems coordinated a response in the human body.
Describe fully two ways photosynthesis and respiration are similar to each other and two ways they are different. (Be sure to actually compare and contrast the two, not simply list the similarities and differences.)
What is the difference between males and females in terms of gamete energy allocation? Why is it beneficial for females and why for males?
Explain some of the major characteristics and functions of your immune system including various types of immunity such as active, passive, innate, or acquired immunity.
explain the chlorophyl extraction procedure in chemical terms. why is acetone effective in the extraction? how could the experiment be modified to increase the yield of chlorophyl extraction?
Normal blood glucose concentration (1000 mg/L) produce body osmolarity of about 3000 mOsm/L. An elderly woman with diabetes has a blood glucose concentration of 1800 mg/L that raises her blood glucose to 4000 mOsm/L. In this diabetic patient, pred..
You are studying 2 wetlands in eastern Ohio - one that has become highly invaded by purple loosestrife. These wetlands typically contain over one hundred species.
Ethylene synthesis in plants is tightly regulated and post transcriptionally controlled. Explain. Design an experiment to show that proteasome degradation is involved?
Discuss how the unique physical and chemical properties of water contribute to the importance of water for life on Earth to survive. Explain the role so called "accidental" discoveries played in the history of science.
Assume you were given a tube having 1 ml of frozen Staphylococcus epidermidis culture known to contain 5.3 x 103 bacteria/ml. You were told to thaw it by heating at 80°C for 20 min,
A generalized transducing phage first infects a bacterial donor of genotype his +, trp +, and rif +. After lysis of the bacterial donor, a bacterial recipient of genotype
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