How many Americans will deal with cancer in their lifetime?
A. all
B. one in two
C. one in three
D. one in five
E. one in four
Answer: C
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Why is it inaccurate to refer to early synapsids as "mammal-like reptiles"?
A) Mammals did not evolve from synapsids. B) Synapsids do not nest within the clade Reptilia as we define it now. C) The taxon Synapsida is actually polyphyletic. D) The earliest synapsids had no features that we associate with reptiles today. E) Synapsids and reptiles lived on different continents in the late Paleozoic.
Some proteins are important biological buffers because:a
they react with water to produce carbon dioxide, which neutralizes acids. b. they contain acidic as well as basic groups. c. they are able to absorb great amounts of carbon dioxide during condensation reactions. d. they produce carbonic acid upon hydrolysis. e. they contain nonpolar groups that exclude water molecules
Pavlovian Conditioning of Hunger
What will be an ideal response?