The phrase "nucleic acid double helix" refers to the twisted ladder shape of DNA and RNA molecules. There are several synonyms for this term that may be used interchangeably in scientific literature. Some of these include "DNA double helix," "RNA double helix," "double-stranded DNA," "double-stranded RNA," and "duplex nucleic acid." Nucleic acids are essential for the transmission of genetic information from one generation to another and for the functioning of living organisms. Understanding the structure and function of the nucleic acid double helix has been instrumental in advancing scientific knowledge and technological innovation in fields like gene editing and genetic engineering.