The answer is Monosaccharide
Direct characterizaation is what the author says about the character.
So B would be correct
<span>Among the following statements shown, the most accurate concerning the founder effect is that (C) </span><span>It results when a small population breakers away from a larger one. Founder Effect is defined as the reduced genetic diversity which is most likely caused </span><span>when a population is descended from a small number of colonizing ancestors.</span><span>
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A pair of parallel helices intertwined about a common axis, especially that in the structure of the DNA molecule.
that is the definition^