2019年4月8日 · Deoxyribonucleic acid, or DNA, is a biological macromolecule that carries hereditary information in many organisms. DNA is necessary for the production of proteins, the regulation, metabolism, and reproduction of the cell.

2025年2月21日 · Deoxyribonucleic acid (DNA) is an organic chemical that contains genetic information and instructions for protein synthesis. It is found in most of every organism. DNA is a key part of reproduction in which genetic heredity occurs through the passing down of DNA from parent or parents to offspring. What is DNA made of? DNA is made of .

2020年8月24日 · Deoxyribonucleic acid (DNA) is a molecule that contains the biological instructions that make each species unique. DNA, along with the instructions it contains, is passed from adult organisms to their offspring during reproduction. Where is DNA found? In organisms called eukaryotes, DNA is found inside a special area of the cell called the nucleus.

DNA is made of four types of nucleotides, which are linked covalently into a polynucleotide chain (a DNA strand) with a sugar-phosphate backbone from which the bases (A, C, G, and T) extend. A DNA molecule is composed of two (more...)

2021年1月21日 · DNA (deoxyribonucleic acid) molecules are nucleic acids, which are the information-carrying molecules of the cell. DNA molecules are polymers and are made up of many smaller molecules, called nucleotides. Each nucleotide contains a phosphate group, a sugar molecule, and a nitrogenous base.

2022年2月11日 · DNA stands for deoxyribonucleic acid. It contains units of biological building blocks called nucleotides. DNA is a vitally important molecule for not only humans but also most other organisms....

DNA is known as Deoxyribonucleic Acid. It is an organic compound that has a unique molecular structure. It is found in all prokaryotic cells and eukaryotic cells. There are three different DNA types: A-DNA: It is a right-handed double helix similar to the B-DNA form.

2025年2月26日 · Deoxyribonucleic acid (abbreviated DNA) is the molecule that carries genetic information for the development and functioning of an organism. DNA is made of two linked strands that wind around each other to resemble a twisted ladder …

2023年6月12日 · The remarkable structure of deoxyribonucleic acid (DNA), from the nucleotide up to the chromosome, plays a crucial role in its biological function. The ability of DNA to function as the material through which genetic information is stored and transmitted is a direct result of its elegant structure.

2025年1月31日 · Figure \(\PageIndex{2}\): (a) Each DNA nucleotide is made up of a sugar, a phosphate group, and a base.(b) Cytosine and thymine are pyrimidines. Guanine and adenine are purines. The phosphate group of one nucleotide bonds covalently with the sugar molecule of the next nucleotide, and so on, forming a long polymer of nucleotide monomers.