(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"
The part of a living being that carries genetic information.
"The abbreviation dna is frequently used as an alternative form of deoxyribonucleic acid in informal scientific writing."
Alternative form of DNA
In plain English: DNA is the genetic material inside nearly every living thing that carries instructions for growth and function.
"Scientists can analyze dna to determine familial relationships."
Usage: DNA refers to deoxyribonucleic acid, the molecule carrying genetic instructions in all known living organisms; it's always used as an acronym and should be capitalized. Use "DNA" when discussing genetics, heredity, or biological research.
To examine a sample of (someone's) deoxyribonucleic acid.
"The forensic scientist will DNA every suspect in the lineup to identify who left their genetic material at the crime scene."
In plain English: To test someone's genetic material.
"The detective sent the hair found at the scene to the lab to dna it and hopefully identify the suspect."
Usage: Use "DNA" as a verb when referring to the process of analyzing someone's genetic material, such as "Police are DNA-ing the suspect's toothbrush." It's generally considered informal and often used in news or popular culture.
Defense Nuclear Agency
"The Defense Nuclear Agency oversees the safety and security of nuclear materials across military installations."
Did not answer
"No, DNA did not answer when I called her name."
DNA stands for deoxyribonucleic acid, a term formed by taking the first letters of its full chemical name. The verb form of the word was later created directly from this noun.