![]() ![]() RNA molecules are variable in length, but much shorter than long DNA polymers. A chromosome, for example, is a single, long DNA molecule, which would be several centimetres in length when unravelled. RNA sometimes forms a secondary double helix structure, but only intermittently.ĭNA is a much longer polymer than RNA. RNA strands are shorter than DNA strands. RNA only has one strand, but like DNA, is made up of nucleotides. Each nucleotide contains a phosphate, a 5-carbon sugar molecule and a nitrogenous base. These strands are made up of subunits called nucleotides. RNA converts the genetic information contained within DNA to a format used to build proteins, and then moves it to ribosomal protein factories.ĭNA consists of two strands, arranged in a double helix. It is a blueprint for all genetic information contained within an organism. ![]() RNA – A comparison chartĭNA replicates and stores genetic information. These include the two molecules’ functions, their structure, their average length, the sugar (DNA contains deoxyribose and RNA contains ribose) and base molecules (RNA contains uracil rather than thymine) they contain, their location and their reactivity to enzymes and ultraviolet light. There are several differences that separate DNA from RNA. ![]()
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January 2023
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