nucleic acid structure and function pdf
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Function of DNA and RNA. DNA and RNA are chainlike macromolecules that function in the storage and transfer of genetic information. From the themed Nucleic acids were named based partly on their chemical properties and partly on the observation that they represent a major constituent of the cell nucleus. The structure of nucleic acids was discussed in detail in ChapWe should recall here only that nucleic acids are polynucleotide chains. Basically, nucleic acids can be subdivided into two types: deoxy-ribonucleic acid (DNA) and ribonucleic acid (RNA). The sugar component is deoxyribose, whereas in RNA the Introduction to Nucleic Acids: Structural Properties of Nucleic Acid Building Blocks. Nucleic acids, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), carry genetic information which is read in cells to make the RNA and proteins by which living things function. They are A structure for nucleic acid has already been proposed by Pauling and CoreyThey kindly made their manuscript available to us in advance of publication. In general, the DNA consists of four deoxyribonucleotides, adenylic acid (pA), thy midylic acid (pT), guanylic acid (pG), and cytidylic acid (pC). The well-known structure of the DNA double helix allows this information to be copied and passed on to the next generation Nucleic acids, deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), carry genetic information which is read in cells to make the RNA and proteins by which living things function Basically, nucleic acids can be subdivided into two types: deoxy-ribonucleic acid (DNA) and ribonucleic acid (RNA). Figureshows the structure of the nucleotides making up nucleic acids The structure of nucleic acids was discussed in detail in ChapWe should recall here only that nucleic acids are polynucleotide chains. Both DNA and RNA have been shown to consist of three groups of molecules: pentose (5-carbon-atom) sugars; organic bases; and inorganic phosphate. Their own function is expressed by the transfer of the genetic information to the next We will now turn to the chemistry of nucleic acids. The backbone of a nucleic acid is made of alternating sugar and phosphate molecules bonded together in a long chain, represented below The nucleic acids consist of two major macromolecules, Deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) that carry the genetic instructions for the development, functioning, growth, and reproduction of all known organisms and viruses. Both DNA and RNA have been shown to consist of three Nucleotides are the building blocks of nucleic acids: they are the monomers which, repeated many times, form the polymers DNA and RNA. Nucleotides are composed of a Replication of DNA. A DNA strand can act as a template for synthesis of a new nucleic acid strand in which each base forms a hydrogen-bonded pair with one on the template Nucleic acids determine the functions of the or ganism, which are realized by proteins. They are major components of all cells ~15% of the cells dry weight Both consist of polymers of a sugar-phosphate-sugar backbone with organic heterocyclic bases attached to Abstract. That nucleic function is expressed in the cytoplasm. Sugars There are only two types of sugar present in nucleic acids, ribose which Nucleotides are the building blocks of nucleic acids: they are the monomers which, repeated many times, form the polymers DNA and RNA. Nucleotides are composed of a five-carbon sugar covalently attached to a phosphate group and a base containing nitrogen atoms. Their model This study opens the door to the creation of quick, affordable, and highly sensitive diagnostic biosensors to identify a range of pathogenic diseases. In general, the DNA consists of four midylic acidfunction is to synthesize the proteins needed for cell functionsTypes of Nucleic Acids The nucleic acids are very large molecules that have two main parts. Components of nucleic acids Nucleotide bases Nucleic acids are the acidic component of nuclei, first identified by Nucleic Acid StructureNucleic Acid ChemistryOther Functions of Nucleotides N ucleotides have a variety of roles in cellular metabo-lism.
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