Nov 28, 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.

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 …

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 …

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 …

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 …

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, …

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, …

But you can't tell which one of these organisms it came from just by looking at it. That's because DNA looks exactly the same in every organism on Earth. All living things have DNA. And …

Medically reviewed by Anju Goel, MD Deoxyribonucleic acid (DNA) is the material in cells that carries all genetic information in humans, animals, plants, and all living cells. It’s passed down …

Aug 26, 2025 · This article will break down the basics of DNA, what it is made of, how it works, and how it impacts health.