RNA_tweets. Paper.li. RNA_articles. RNA_books. Lectures & courses. Videos. Webinars. The Interplay between RNA and DNA Modifications: Back to the RNA World - Madame Curie Bioscience Database - NCBI Bookshelf. Structural Biochemistry/RNA World Hypothesis. Revision as of 22:27, 25 October 2011 The RNA World Hypothesis speculates that the origin of life began with ribonucleic acid (RNA) because of its ability to serve both as a storage for genetic information, and enzymatic activity.
It is proposed that RNA preceded the current genetic material, deoxyribonucleic acid (DNA), and led the evolution of the DNA→RNA→protein world. File:RNA World Schematic Small.jpg. An Introduction to Molecular Biology/RNA:The ribonucleic acid. Ribonucleic acid is popularly known as RNA.
RNA is one of the three major macromolecules (along with DNA and proteins) that are essential for all known forms of life.The chemical structure of RNA is very similar to that of DNA, with two differences--(a) RNA contains the sugar ribose while DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom), and (b) RNA has the nucleobase uracil while DNA contains thymine (uracil and thymine have similar base-pairing properties).
Messenger RNA (mRNA) is the RNA that carries information from DNA to the ribosome, the sites of protein synthesis (translation) in the cell. The coding sequence of the mRNA determines the amino acid sequence in the protein that is produced. RNA - wikidoc. Welcome to the Chemical Bonding Center. Rna molecules.
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