sequence of a gene's DNA that transcribes into protein structures
Another class of non-coding DNA is the "pseudogene", so named because it is believed to be a remnant of a real gene that has suffered mutations and is no longer functional.
a pentose sugar important as a component of ribonucleic acid
However, the ribose sugar component of RNA is slightly different chemically than that of DNA. RNA has a 2' oxygen atom that is not present in DNA. Other fundamental structural differences exist.
a heterocyclic organic compound with a penetrating odor
A DNA chain is made up of four chemical bases: adenine (A) and guanine (G), which are called purines, and cytosine (C) and thymine (T), referred to as pyrimidines.
Created on 二月 12, 2010
(updated 二月 12, 2010)
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