Which of the following is a function of unsaturated fatty acids in membranes?
A) They give the interior of the membrane liquid-like structure.
B) They provide a site for chemical reactions to occur.
C) both a and b
D) neither a nor b
A
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The opening through which a volcanic eruption takes place is called:
a) vent b) caldera c) pipe d) schism e) rift
What cyclical factor helps explain the cool period in Nome between about 1945 and 1975?
The question is based on Figure 24-6, a chart showing average annual temperature from 1905 to 2015 in three U.S. cities: Nome, Alaska; Bozeman, Montana; and Tucson, Arizona. What will be an ideal response?
Based on the volcanic type and construction of the flanks, what assumptions can you make about the viscosity of the lava?
A) The lava is high viscosity. B) The lava is low viscosity.
When a company needs to reduce its production of hazardous waste, the pollution-prevention hierarchy strategy would encourage which of the following to be done FIRST?
A. Dispose of hazardous wastes in an environmentally safe manner. B. Use the waste produced for another function. C. Treat waste so that the volume is reduced. D. Reduce the amount of waste produced at the manufacturing site.