
DNA - Wikipedia
DNA and ribonucleic acid (RNA) are nucleic acids. Alongside proteins, lipids and complex carbohydrates (polysaccharides), nucleic acids are one of the four major types of macromolecules that are essential …
DNA | Definition, Discovery, Function, Bases, Facts, & Structure ...
1 day ago · DNA is an organic chemical of complex molecular structure found in all prokaryotic and eukaryotic cells. It codes genetic information for the transmission of inherited traits.
What is DNA?: MedlinePlus Genetics
Jan 19, 2021 · DNA is a double helix formed by base pairs attached to a sugar-phosphate backbone. DNA is the hereditary material in humans and almost all other organisms. Genes are made up of DNA.
Deoxyribonucleic Acid (DNA) Fact Sheet
Aug 24, 2020 · Deoxyribonucleic acid (DNA) is a molecule that contains the biological instructions that make each species unique.
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.
What is DNA, and why it’s a key to understanding life, health, and ...
Jul 10, 2025 · DNA, or deoxyribonucleic acid, is the genetic material found in all living organisms. It is made of long chains of chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T).
What is DNA? Understanding the Blueprint of Life
Apr 5, 2025 · DNA is the molecule that carries hereditary information from one generation to the next. This means that offspring inherit a combination of genes from their parents, and this genetic …
3.1: DNA, DNA Replication, and Gene Expression - Biology LibreTexts
DNA is the genetic material passed from parents to offspring, and it determines genetic traits. DNA is a complex molecule that is the nucleus of every cell of an organism. DNA carries the unique code …
DNA Basics: Nucleotides, Genes, and the Genome - Federal Judicial …
Deoxyribonucleic acid (DNA) is a complex molecule that contains the genetic code of an organism. It acts as an instruction manual for the operation of each individual cell, and it allows the coordinated …
DNA: Function, structure, and impact on health - Medical News Today
Aug 26, 2025 · DNA is a molecule found in most cells that holds each person’s unique genetic code. It is responsible for coding proteins, which are essential to cell growth and development.