{{About|the A DNA ladder is a solution of DNA molecules of different lengths used in agarose gel electrophoresis. It is applied to an agarose gel as a reference to estimate the size of unknown DNA molecules. In addition it can be used to approximate the mass of a band by comparison to a special mass ladder.
Read more about DNA Ladder: Structure
Famous quotes containing the words dna and/or ladder:
“Here [in London, history] ... seemed the very fabric of things, as if the city were a single growth of stone and brick, uncounted strata of message and meaning, age upon age, generated over the centuries to the dictates of some now all-but-unreadable DNA of commerce and empire.”
—William Gibson (b. 1948)
“Surely it is one of the requisites of a tasteful garb that the expression of effort to please shall be wanting in it; that the mysteries of the toilet shall not be suggested by it; that the steps to its completion shall be knocked away like the sculptor’s ladder from the statue, and the mental force expended upon it be swept away out of sight like the chips on the studio floor.”
—Elizabeth Stuart Phelps (1844–1911)