deoxyribose sugar
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Deoxyribose sugar is a type of sugar molecule that is a component of DNA (deoxyribonucleic acid). It is a five-carbon sugar molecule that is missing an oxygen atom on the second carbon in the ring structure. This difference between deoxyribose and ribose (which is the sugar molecule found in RNA) is significant because it gives DNA its characteristic stability.
Deoxyribose sugar molecules are linked together by phosphate groups to form the backbone of the DNA molecule. Paired nitrogenous bases (adenine, guanine, cytosine, and thymine) are attached to the deoxyribose sugars, forming the steps of the DNA double helix. The sequence of these nitrogenous bases (often referred to as the genetic code) is what determines the genetic information that is passed from one generation of organisms to the next.
Overall, deoxyribose sugar is a crucial component of DNA, playing a key role in maintaining its stability and allowing for the storage and transmission of genetic information.
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Nitrogenous Bases: The Building Blocks of DNA and RNA