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13 cze 2023 · The repeating, or monomer, units that are linked together to form nucleic acids are known as nucleotides. The deoxyribonucleic acid (DNA) of a typical mammalian cell contains about 3 × 10 9 nucleotides.
They are composed of nucleotides, which are the monomer components: a 5-carbon sugar, a phosphate group and a nitrogenous base. The two main classes of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). If the sugar is ribose, the polymer is RNA; if the sugar is deoxyribose, a variant of ribose, the polymer is DNA.
DNA and RNA are polymers (in the case of DNA, often very long polymers), and are made up of monomers known as nucleotides. When these monomers combine, the resulting chain is called a polynucleotide (poly-= "many").
31 sie 2023 · Basic Structure: Both DNA and RNA nucleotides have three primary components: a sugar, a phosphate group, and a nitrogenous base. Nitrogenous Bases: Both types contain adenine (A), guanine (G), and cytosine (C) as some of their nitrogenous bases.
DNA and RNA are made up of monomers known as nucleotides. The nucleotides combine with each other to form a nucleic acid, DNA or RNA. Each nucleotide is made up of three components: a nitrogenous base, a pentose (five-carbon) sugar, and a phosphate group (Figure 5.2).
12 maj 2024 · Nucleotides are the building blocks, i.e., the repeat units or monomers of nucleic acids. Nucleotides are composed of three sub-units: an anion of phosphoric acid, i.e., phosphate (PO3−4 PO 4 3 −). There are two 5-carbon carbohydrates i.e., ribose and deoxyribose, found in nucleic acids, as shown in the figure 10.1.1 below.
DNA is a polymer made of monomeric units called nucleotides (Figure 1 A), a nucleotide comprises a 5-carbon sugar, deoxyribose, a nitrogenous base and one or more phosphate groups. The building blocks for DNA synthesis contain three phosphate groups, two are lost during this process, so the DNA strand contains one phosphate group per nucleotide.
