Which of the following chemical reactions best represents the decomposition of ATP?
A. ADP + Pi + energy ? ATP + H2O
B. ATP + ADP ? ATP
C. ATP + H2O ? ADP + Pi + energy
D. ATP + energy ? ADP + H2O
E. ADP + ADP + ADP ? ATP
Answer: C
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a. amplification of the pressure vibrations b. stimulation of middle ear receptor cells c. opening of the eustachian tube d. increased firing rate in sensory axons associated with the tympanic membrane e. none of the above
Using directional terminology, one could say that the liver is ________ to the bladder.
Fill in the blank(s) with the appropriate word(s).
Which of the following is the sum of the residual and the expiratory reserve volume?
a) Total lung capacity b) Functional residual capacity c) Inspiratory capacity d) Vital capacity e) Minimal volume
Which of the following best explains diffusion?
A) movement of molecules from an area of high concentration to an area of low concentration B) movement of molecules from where there are fewer of them to where there are more C) movement of molecules farther away from equilibrium D) exchange of nonpolar molecules for polar molecules