Search results
Ribose as its 5-phosphate ester is typically produced from glucose by the pentose phosphate pathway. In at least some archaea, alternative pathways have been identified. [13] Ribose can be synthesized chemically, but commercial production relies on fermentation of glucose.
27 lip 2022 · Ribose is a sugar molecule composed of a ring of five carbons. These molecules are linked to each other by a phosphate molecule made up of one phosphorus atom and two oxygen atoms. This sequence of ribose and phosphate molecules constitutes what is called the DNA’s ribose-phosphate backbone.
Ribose is a monosaccharide having five carbons, thus called a pentose sugar. Ribose is the most important pentose present in living organisms. It is an aldose sugar, having an aldehydic functional group.
28 kwi 2017 · If the virus is DNA-based, the DNA makes its way into the nucleus, where the cell’s proteins translate it into RNA, which is translated by ribosomes into proteins. If the virus is RNA-based the viral RNA stays in the cytoplasm, where it can interact with ribosomes directly, creating new proteins.
The most common monosaccharides include glucose, fructose, galactose, ribose, and mannose. Of these sugars, all but one (fructose) exists as an aldehyde. Fructose and some other less well known sugars are ketones. Figure 2.148 shows the structure of these sugars.
ribose, five-carbon sugar found in RNA (ribonucleic acid), where it alternates with phosphate groups to form the “backbone” of the RNA polymer and binds to nitrogenous bases. Ribose phosphates are components of the nucleotide coenzymes and are utilized by microorganisms in the synthesis of the amino acid histidine .
Ribose exists in its d -form in nature and is a fundamental component in compounds that control various biological functions. In RNA, ribose forms a framework of chains and provides the base for the three-dimensional structure that transmits genetic information. Ribose is also contained in ATP and NADH, which have critical functions in metabolism.
