
What is DNA? Definition, Function & Structure - Cleveland Clinic
Jul 9, 2025 · DNA (deoxyribonucleic acid) is a set of instructions for creating the proteins that make your body work. Two strands of DNA together form a double helix — a bit like a spiral staircase.
DNA | Definition, Discovery, Function, Bases, Facts, & Structure ...
5 days ago · DNA, organic chemical of complex molecular structure that is found in all prokaryotic and eukaryotic cells and in many viruses. DNA codes genetic information for the transmission of inherited …
DNA Structure and Functions - Science Facts
Sep 13, 2023 · DNA stands for Deoxyribonucleic acid, a macromolecule that carries genetic information in all living organisms, from the tiniest microorganisms to the most complex multicellular humans. …
DNA: Properties, Structure, Composition, Types, Functions
Aug 3, 2023 · Deoxyribonucleic acid (DNA) is the heredity material found in humans and all living organisms. It is a double-stranded molecule and has a unique twisted helical structure.
DNA - Wikipedia
A chromosome and its packaged long strand of DNA unraveled. The DNA's base pairs encode genes, which provide functions. A human DNA can have up to 500 million base pairs with thousands of …
DNA function & structure (with diagram) (article) | Khan Academy
In order to understand the biological function of DNA, you first need to understand its molecular structure. This requires learning the vocabulary for talking about the building blocks of DNA, and how …
The structure and function of nucleic acids - Monash University
The sugar-phosphate sections of DNA are often referred to as the ‘backbone’ of the DNA structure, while the base pairing is referred to as the ‘rungs’, like those of a rope ladder.
Deoxyribonucleic Acid (DNA) Fact Sheet
Aug 24, 2020 · DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To …
Deoxyribonucleic Acid (DNA) - GeeksforGeeks
Dec 5, 2025 · DNA is made of repeating units called nucleotides, which link together to form a long, twisted, ladder-like structure known as the double helix. Each DNA molecule contains genes, which …
How DNA Works: The Code of Life Decoded - sciencenewstoday.org
May 18, 2025 · In this article, we embark on a journey deep into the nucleus of the cell to explore the astonishing mechanics of DNA. From its structure and function to replication, transcription, …