If a 10% sugar solution is separated from a 20% sugar solution by a differentially permeable membrane, in which direction will there be a net movement of water?
What will be an ideal response?
10% sucrose is 90% water, while 20% sucrose is 80% water. Therefore water moves from the 10% sucrose to the 20% sucrose.
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The region of the ampulla that contains the receptors for rotational (dynamic) equilibrium are called
A) utricles. B) ampullary crests. C) saccules. D) fovea. E) maculae.
Pepsin would have the greatest activity ________.
A. when the pH of the chyme is greater than 3 B. if someone fasted for hours prior to eating C. when the pH of the chyme is less than 3 D. if someone ate a primarily carbohydrate meal
Because oxygen has a low solubility coefficient in water,
A. it is not easily dissolved in water and requires a steep partial pressure gradient to enter the water. B. it is impossible to dissolve oxygen into water unless the partial pressure gradient is very minor. C. it is easily dissolved in water and the partial pressure gradient is irrelevant to its solubility. D. it is easily dissolved in water and requires only a slight partial pressure gradient to enter the water.
Which of the following does not lead to edema?
A) Obstruction of lymphatic vessels B) Liver disease C) Hypertension D) Famine E) Hyperproteinemia