Our sense of balance depends most directly on
A. the auditory system.
B. the vestibular system.
C. chemoreceptors in the environment.
D. the visual system.
E. mechanoreceptors in our hands and feet.
B. the vestibular system.
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The same basic array of bones is modified to give rise to the wing of a bat and the fin of a porpoise. Such anatomical structures are called:
A. uniform. B. inherited. C. homologous. D. analogous. E. evolutionary modifications.
If one were to double the amount of enzyme in a reaction with an initial ?G of -5 kcal/mole, what would the ?G be?
A. -5 kcal/mole B. -10 kcal/mole C. -20 kcal/mole D. +5 kcal/mole E. +10 kcal/mole
Of the biomes listed, which is best adapted to seasonal fires?
A) Coniferous forests B) Tundra C) Broadleaf forests D) Chaparral
We know the detailed molecular structure and mechanism of action of the transmembrane protein bacteriorhodopsin. This protein uses sunlight as the source of energy to pump ______ out of the cell
(a) ATP (b) H+ (c) K+ (d) Na+