Which statement is true regarding osmosis?
A) Water is drawn toward high concentrations of solutes.
B) It regulates the transport of gases from high to low concentrations.
C) Solutes move from areas of high concentration to low concentration.
D) The goal of osmosis is to create a natural solute gradient from high to low.
Answer: A
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Bacterial multiplication depends on the availability of high concentrations of ____
a. potassium b. calcium c. iron d. sodium e. glucose
The internal environment
a. is in direct contact with the body's cells. b. consists of the intracellular fluid. c. must be maintained at absolutely unchanging composition, temperature, and volume for survival of the body. d. is in direct contact with the body's cells and consists of the intracellular fluid. e. all of these answers.
Extracellular fluid
a. is the internal environment of the body. b. is outside the cells but inside the body. c. consists of the plasma and interstitial fluid. d. two of these answers. e. all of these answers.
The correct pathway for impulses leaving the retina is
A. photoreceptors, ganglion cells, bipolar cells, and optic nerve. B. photoreceptors, bipolar cells, ganglion cells, and optic nerve. C. photoreceptors, bipolar cells, optic nerve, and ganglion cells. D. photoreceptors, ganglion cells, optic nerve, and bipolar cells. E. ganglion cells, bipolar cells, photoreceptors, and optic nerve.