(mainly US & Canadian) to transport (children) by bus from one area to a school in another in order to create racially integrated classes Word Origin C19: short for omnibus
DNA. n. A nucleic acid that carries the genetic information in cells and some viruses, consisting of two long chains of nucleotides twisted into a double helix and joined by hydrogen bonds between the complementary bases adenine and thymine or cytosine and guanine.oun. 1. DNA - (biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information; DNA is the king of molecules. deoxyribonucleic acid, desoxyribonucleic acid.
Protein Synthesis: Transcription and Translation. DNA is a long double-stranded molecule residing inside the nucleus of every cell. It is usually tightly coiled forming chromosomes in which it is protected by proteins. Each of the two strands of the DNA molecule is a chain of smaller molecules.