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.

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 …

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 …

Jul 7, 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 …

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 …

Scientists have been learning about DNA since 1869 when Swiss physician and biologist, Friedrich Miescher, first discovered the microscopic material. How it worked and what the …

Deoxyribonucleic acid (DNA) is the hereditary material common to all living things. DNA is a macromolecule made up of a string of smaller units called nucleotides.

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, …

Aug 5, 2025 · Get a clear, simple explanation of DNA. Discover what this fundamental blueprint of life is, how it functions, and its role in your uniqueness.