![]() ![]() ![]() ![]() DNA is composed of two such strands arranged next to each other. The nitrogenous bases project to the opposite side of the backbone. This is how the sugar-phosphate backbone of the molecule forms. The link forms between the sugar atom of one nucleotide and the phosphate of the next one. Now the nucleotides in DNA forms a link by a dehydration synthesis polymerization method. They are expressed by the first letters of their name A C G T. And DNA consists of four of the nitrogenous bases, namely Adenine, Cytosine, Guanine and Thymine. The five carbon sugar present in DNA is deoxyribose. ![]() In fact, you have probably even seen a diagram or picture of a DNA molecule. You all are well versed in DNA and the function it performs. However, in the molecule of a nucleic acid, only four are ever present.ĭNA is one of the two types of nucleic acids present in our bodies. There are in total five nitrogenous bases. Nucleic acids may contain one or more of these phosphate groups. They react with the sugars in the nucleotides to form an ester bond. This is the phosphates based on the inorganic compound phosphoric acid i.e. The sugar in the DNA molecule is deoxyribose and the one in RNA is ribose sugar. These sugars form a bond with the phosphate groups also present in nucleotides. A nucleotide consists of three basic components. Nucleotides are monomers that make up nucleic acids. While discussing nucleic acid structure we must look at nucleotides. You can download Biomolecules Cheat Sheet PDF by clicking on Download Button Below These are the building blocks of nucleic acids. Here these repeating units or monomers have a special name, nucleotides. Just like in all biomolecules, nucleic acids are also made up of repeating monomers. Let us study about this peculiar structure of Nucleic Acids, And they are able to perform their functions, due to the shape and structure they form. They store all our genetic information that we pass down to future generations. As we have already studied Nucleic Acids are one of the most important biomolecules present in humans. ![]()
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