Nitrogenous waste is excreted from Malpighian tubules mainly in the form of ____
a. nitrate
b. ammonia
c. uric acid
d. amino acids
e. urea
ANSWER: c
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As fungal hyphae make the transition from a non-growing state to an actively growing and exploring state, what changes would be expected in the cells?
A. Water would move in and the turgor pressure would increase. B. Water would move out and the turgor pressure would increase. C. Water would move in and the turgor pressure would decrease. D. Water would move out and the turgor pressure would decrease. E. There would be no net movement of water, and turgor pressure would remain the same.
With ____ selection, the frequency of a favored allele will increase as a phenotypic variation becomes more adaptive
a. directional b. stabilizing c. disruptive d. frequent e. mutational
The epidermis is waterproof and tough due to the activity of ________.
Fill in the blank(s) with the appropriate word(s).
The brain can infer the pitch of a sound from the:a
number of hair cells that are stimulated. b. particular hair cells that are stimulated. c. intensity with which the hair cells are stimulated. d. intensity of the action potential produced by the stimulated hair cells. e. fluid movements of the semicircular canals.