Which of the following solutes would NOT leave the
vertebrate body under normal conditions?
a. uric acid
b. ammonia
c. urea
d. carbon dioxide
e. glucose
Answer: e
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Scientists have studied atmospheric conditions over the last century and have noted that the
atmospheric carbon dioxide level has __________ and global temperatures have __________.
a. decreased; decreased b. decreased; increased c. increased; decreased d. increased; increased
External signals, such as hormones and growth factors, can stimulate a cell to go through the cell cycle.
Answer the following statement true (T) or false (F)
Place the layers of a mammalian gut in order, from the outermost layer to the lumen
a. mucosa ?submucosa ?muscularis?serosa b. muscularis?mucosa ?submucosa ?serosa
c. serosa ?muscularis?submucosa ?mucosa d. serosa ?mucosa ?submucosa ?muscularis e. serosa ?submucosa ?mucosa ?muscularis
The posterior portion of the neural tube will develop into the frog's
A) spinal cord. B) brain. C) blastocoel. D) digestive tract. E) anus.