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 …

Dec 11, 2025 · 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.

Aug 24, 2020 · Deoxyribonucleic acid (DNA) is a molecule that contains the biological instructions that make each species unique.

Jan 19, 2021 · What is DNA? DNA, or deoxyribonucleic acid, is the hereditary material in humans and almost all other organisms. Nearly every cell in a person’s body has the same DNA.

Aug 5, 2025 · Deoxyribonucleic acid, commonly known as DNA, serves as the fundamental blueprint for all living organisms. This complex molecule contains the instructions that guide the development, …

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.

: any of various nucleic acids that are usually the molecular basis of heredity, are constructed of a double helix held together by hydrogen bonds between purine and pyrimidine bases (see base entry …

DNA is a large, complex molecule that allows cells to function and carries the genetic code that determines the traits of a living organism. DNA is in every cell of every living thing.

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).

Apr 5, 2025 · DNA is a long molecule made up of smaller subunits called nucleotides. Each nucleotide consists of three components: a phosphate group, a deoxyribose sugar molecule, and a nitrogenous …