Which pressure is constant during the respiratory cycle?
A) atmospheric pressure
B) transpulmonary pressure
C) rebound pressure (elastic recoil)
D) intra-alveolar pressure
E) intrapleural pressure
Answer: A) atmospheric pressure
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ATP has a phosphate transfer potential of 30.5, whereas glucose-6-phosphate has a phosphate transfer potential of 13.8. Based on these differences, which of the following will happen?
A. Glucose-6-phosphate will transfer phosphate to ADP forming ATP. B. ATP will transfer phosphate to glucose-6-phosphate. C. ATP will transfer phosphate to phosphoenolpyruvate. D. Phosphates will not be transferred between these molecules.
A soil that is mostly ____ will tend to dry quickly compared to other soil types
a. sand b. humus c. clay d. silt
e. organic matterWhich of the following is a behavioral pattern that results from a proximate cause?
A) A male sheep fights with another male to improve its social position and find a mate. B) A female bird lays its eggs when day length begins to shorten. C) A cat kills a mouse to obtain food. D) A cockroach runs into a crack in the wall and avoids being stepped on. E) A goose squats and freezes motionless to escape a predator
A demonstration of the second law of thermodynamics is
A. the amount of energy coming from the sun. B. that carnivores require more energy than herbivores. C. that there is more producer biomass than herbivore biomass in an ecosystem. D. the high proportion of protein in the diets of Americans.