Asymmetric SynthesiRiboseNucleic Acid chiralenantiomer enantioselective separationracemic monosaccharidestereochemistryConsequences of a chiral influence consisting of three independent factors orienting molecules are reviewed and discussed. This influence may affect mutual orientation of reacting molecules leading to ...
(Biochemistry)biochemribonucleic acid; any of a group of nucleic acids, present in all living cells, that play an essential role in the synthesis of proteins. On hydrolysis they yield the pentose sugar ribose, the purine bases adenine and guanine, the pyrimidine bases cytosine and uracil, and ...
sugar, phosphate, and abase. For many years, this chemical composition, which is relatively simple compared to that of proteins, led to nucleic acids being overlooked as genetic macromolecules. There are two main types of nucleic acids: deoxyribonucleic acid (DNA) andribonucleic acid(RNA). DNA ...
A structure for nucleic acid has already been proposed by Pauling and Corey. They kindly made their manuscript available to us in advance of publication. Their model consists of three inter-twined chains, with the phosphates near the fibre axis, and the bases on the outside. In our opinion,...
Effect of Chirality of Ribose on Nucleic Acid Structure and Function Organisms utilize the only D-enantiomer of ribose as a sugar unit of nucleic acids. This homochirality of nucleic acids is considered to be essential for t... H Urata - 《Yakugaku Zasshi-journal of the Pharmaceutical Society...
A large reduction in the relative activity of nuclease might have obtained had the nucleic acid been added to the clay–enzyme system. In investigating the interactions of DNA and RNA with acid-washed clay minerals (illite, kaolinite, montmorillonite), Goring and Bartholomew (1952) found that ...
We learned that in general nucleic acids there are chains comprised of a nitrogenous base, a phosphate group, and a sugar. In DNA, that sugar is 2-deoxyribose, providing DNA its name: Deoxyribonucleic Acid. In RNA, that sugar is ribose, making it a Ribonucleic Acid. The difference between...
It has been found experimentally that the ratio of the amounts of adenine to thymine, and the ratio of guanine to cytosine, are always very close to unity for deoxyribose nucleic acid. ? It is probably impossible to build this structure with a ribose sugar in place of the deoxyribose, as...
acyclic nucleic acids; stability of nucleic acid complexes; fluorescent nucleic acid probes; siRNA 1. Introduction The abbreviations DNA and RNA are perhaps the most widely recognized words associated with biology or genetics. The details of their chemical structure as well as the principles of their...
In addition, the sugar in DNA is deoxyribose and that in RNA is ribose; the latter contains one more oxygen atom but is otherwise structurally identical. RNA, unlike DNA, usually but not always exists in a single-stranded form. Function of Nucleic Acids ...