Dna (Noun)
Meaning
(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".
Classification
Nouns denoting substances.
Examples
- The doctor ordered a DNA test to determine the genetic cause of the patient's illness.
- DNA is a complex molecule that contains the genetic instructions for the development and function of all living organisms.
- The crime scene investigator collected a DNA sample from the suspect's hair to compare with the evidence found at the crime scene.
- The DNA double helix model, proposed by James Watson and Francis Crick, revolutionized the field of genetics.
- The new genetic engineering technique allowed scientists to manipulate the DNA of crops to make them more resistant to disease.