Which of the following substances are NOT
reabsorbed by the kidneys?
a. most of the water
b. amino acids
c. glucose
d. urea
e. urea and amino acids
D
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Which type of phage always lyses its host cell?
A. Temperate B. Lysogenic C. Virulent D. Prophage
Motor proteins require which of the following to function in the movement of chromosomes toward the poles of the mitotic spindle?
A) intact centromeres B) a microtubule-organizing center C) ATP as an energy source D) synthesis of cohesin
Hagfishes and lampreys differ from other fishes because they lack ________
Fill in the blank(s) with correct word
Male bullfrogs produce loud calls during the mating season to attract females. The loudest males tend to mate with the most females. What can we reasonably conclude about this situation?
A) The loudness of a male's call is not a good predictor of his quality. B) The louder a male's call, the higher his quality. C) We cannot come to any conclusions based on the information given. D) The louder a male's call, the lower his quality.