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Nov 12, 2014 · DNA exists inside your body's cells and is made up of four chemicals: adenine, thymine, cytosine, and guanine. Scientists usually shorten these to simply A, T, C, and G. These chemicals that make up DNA are strung together in long, coiled strands within your cells.
Apr 17, 2021 · Definition. Deoxyribonucleic acid, DNA, or desoxyribonucleic acid is a molecule with a double helix structure that carries the sequences of genetic code – the basis of all life. Packaged tightly into chromosomes, DNA can be copied and translated to manufacture specific proteins.
Aug 12, 2023 · DNA is found in nearly every cell of the human body. It is primarily located in the nucleus (where it is also referred to as "nuclear DNA"), though there is also a small amount in the mitochondria as well. Mitochondria are another part of human cells and are in charge of converting energy from food into a form that can power the cells.
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The structure of DNA: the double helix . A DNA molecule is made up of two long strands of bases that wind around each other into a spiral shape. This is called the double helix and looks like a twisted ladder. The bases on one strand of the DNA molecule pair with bases on the opposite strand, coming together as a base pair.
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DNA definition: 1. deoxyribonucleic acid: the chemical, present at the centre of the cells of living things, that…. Learn more.
Sep 13, 2023 · DNA Structure and Functions. DNA stands for Deoxyribonucleic acid, a macromolecule that carries genetic information in all living organisms, from the tiniest microorganisms to the most complex multicellular humans. DNA is a fundamental molecule that holds life’s blueprint. Within a eukaryotic cell ( plant and animal), they are found inside ...
Feb 14, 2023 · B-DNA is the most common form of DNA and has a right-handed double helix structure. A-DNA forms in a shorter, right-handed double helix. The function of this form is to protect DNA.
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