Glycosidic bond pronunciation. e. Glycosidic bond pronunciation

 
eGlycosidic bond pronunciation Pullulan is an extracellular glucan prepared by fermentation by the fungal strain Aureobasidium

Glycosidic bond. In chemistry, a glycosidic bond is a type of covalent bond that joins a carbohydrate molecule to another group, which may or may not be another carbohydrate. Amylopectin is a branched-chain polysaccharide composed of glucose units linked primarily by α-1,4. [2] Like monosaccharides, disaccharides are simple sugars soluble in water. Definition Reaction Examples Dehydration Synthesis & Hydrolysis. Glycosidic bonds can be found in carbohydrates. Polysaccharides are produced by the joining of multiple monosaccharides. 30 g·mol −1. O-glycosidic bond is formed by the reaction between the hydroxyl group of one monosaccharide with the anomeric carbon atom of the other. Definition and meaning can be found here:is a straight chain of glucose molecules that is used as an energy storage method for plants. an alternate NMR definition is also in common use—namely, H1′-C1′-O4-C4 for φ and C1′-O4-C4. US English. relating to connections that involve sugar molecules (= groups of atoms): 2. Glycosidic bonds are cleaved by enzymes known as glycosidases. 42). Phosphate BackboneEnergetics of bond formation. question 1 of 3. The major difference between starch vs cellulose is the type of linkages that bond together their glucose molecules. The lesson covers the. Molecular Structures. Some flavonol glycosides. ethanol and glucose with an alpha glycosidic bond. US English. This definition of the nomenclature is different from that for glycosyltransferases. These forms play. g. The anomeric carbon is the hemiacetal or hemiketal carbon of the sugar. Another classification of glycosides is based on the chemical group of the aglycone (Table 12. US English. An alpha bond is formed when the OH group on the carbon-1 of the first glucose is below. to connect, secure or tie with a bond; to bind. Every year, plants make more than 10 11 tons of cellulose [4]. 1: Amylose. Formally, a glycoside is any molecule in which a sugar group is bonded through its anomeric carbon to another group via an O-glycosidic bond or an S-glycosidic bond; glycosides involving the latter are also called thioglycosides. 7. 1, 4 glycosidic linkage. A glycosidic link, also known as glycosidic linkage or glycosidic bond, is the two-bond link between the rings in an oligosaccharide or polysaccharide. Chitin Definition. Oligosaccharide is a carbohydrate polymers comprise three to ten monosaccharides, or, simple sugars. There are are two types of glycosidic bonds – 1,4 alpha and 1,4 beta glycosidic bonds. The Glycosidic Bond b. 配糖体は、化学結合に関与する元素に応じて分類できます。. This means that in both maltose and cellobiose, the bond occurs between Carbon(C)-1 of one glucose and C-4 of another glucose. A glycosidic bond, also known as a glycosidic linkage, is a form of covalent connection that connects a carbohydrate (sugar) molecule to another group, which might be another carbohydrate or not. Pullulan is a linear, homopolysaccharide consisting of maltotriose as the building block. The number of glucose sub-units ranges typically from 300 to 3000 or more. Conformation at the glycosidic bonds of cellulose, amylose, and dextran. Maltose Structure. The glucose molecules in maltose are joined together by an α-1→4 glycosidic bond. The glycosidic bond is mostly unstable and susceptible to hydrolysis (by diluted acids or by enzymes, e. • Polysaccharides are formed by glycosidic bonding of carbohydrates, and the polymers cellulose, starch, and glycogen are most commonly found in nature. This linkage causes branching within the polyscaccharide [1]. US English. You'll be able to mark your mistakes quite easily. Translation. Experimental and theoretical investigations suggest that hydrolysis of N-glycosidic bonds generally involves a concerted SN2 or a stepwise SN1 mechanism. When there are two sugar molecules linked by one glycosidic link, the resulting molecule is known as a disaccharides, when there. In chemistry, a glycosidic bond is a certain type of functional group that joins a carbohydrate (sugar) molecule to an alcohol, which may be another carbohydrate. US English. Here are all the possible pronunciations of the word glycosidic bond. The peptidoglycan layer in the bacterial cell wall is a crystal lattice structure formed from linear chains of two alternating amino sugars, namely N-acetylglucosamine (GlcNAc or NAG) and N-acetylmuramic acid (MurNAc or NAM). Solution. The three major disaccharides are sucrose, lactose, and maltose. 102K . It is composed of β-D-galactose and β-D-glucose held together by β (1→4) glycosidic bond. How to properly pronounce glycosidic bond? glycosidic bond Pronunciation gly·co·sidic bond Here are all the possible pronunciations of the word glycosidic bond. There are two types of bonds involved in a glycoprotein: bonds between the saccharides residues in the glycan and the linkage between the glycan chain and the protein molecule. , Proc Natl Acad Sci USA 1959, 45, 1582. Samantha. Glycosidic bonds are strong covalent bonds and they can be hydrolyzed by treating with mild acids. Molecules that share the same molecular formula. View this answer. Here are 4 tips that should help you perfect your pronunciation of 'glycosidic bond':. A glycosidic bond is formed between a hemiacetal or hemiketal group of a sugar (or molecule derived from a sugar) and a hydroxyl group of a compound such as an alcohol. US English. The new chemical bond that forms between two monosaccharides is known as a glycosidic bond. eg. An aldehyde or a ketone group on the sugar can react with a hydroxyl group on another sugar, this is what is known as a glycosidic bond. The linkage resulting from such a reaction is known as a glycosidic bond. from . The combination of two simple sugars is called a disaccharide whereas carbohydrates consisting of three to ten simple sugars are called oligosaccharides, and those with a larger number of monosaccharide units are called polysaccharides . A glycosidic bond, also known as a glycosidic linkage, is a chemical bond in the form of a covalent connection that connects a carbohydrate (sugar) molecule to. An ester is the compound obtained when the hydrogen atom in at least one hydroxy group in an oxoacid or a hydroxoacid is replaced by an alkyl group (alkyl ester) or an aryl group (aryl ester). glycosidic bond: or glycosidic link a bond between the anomeric carbon of a carbohydrate and another group or molecule. (phosphate groups forms bond with either 2, 3, or 5-carbon of the sugar) five-membered sugar group with a purine or pyrimidine nitrogen base group attached to its 1' carbon via a glycosidic bond and one or more phosphate groups attached to. Besides the di- and polysaccharides we will look at later, it is very common for glucose (or other sugars) and an alcohol to form an acetal linkage. US English. Sucrose is a disaccharide combination of monosaccharides glucose and fructose, joined with an α(1→4) bond, formed from a condensation reaction. What are chemical bonds, and what are the different types of bonds? What does small electronegativity difference reveal about the strength of a covalent bond? What is the difference between double and triple bonds? Give a good definition for the term ionic bond when it comes to structures and bonding in chemistry. A glycosidic bond or glycosidic linkage is a type of covalent bond that joins a carbohydrate (sugar) molecule to another group, which may or may not be another carbohydrate. Sample translated sentence: Hexose sugars can form dihexose sugars with a condensation reaction to form a 1,6-glycosidic bond. ↔ Les hexoses poden. The OH group on the anomeric carbon of the second glucose can be in either the α or the β position, as shown in Figure (PageIndex{1}). Julia. Chirality a. 2: maltose. glycosylamines. Abstract. Peptide bonds can be found in proteins. When there are two sugar molecules linked by one glycosidic link, the resulting molecule is known as a disaccharides, when there. In the same way, N. Oligosaccharides 1. ARH3 hydrolyzes the O-glycosidic bond of PAR and O-acetyl-ADP-ribose (OAADPr), in both instances generating mono (ADP-ribose). Keywords. g. It is naturally. Instead, bonds form between the 5’ phosphate group of one nucleotide and the 3’ hydroxyl group of another. ; Sucrose is a non-reducing sugar. 1a). Synonyms: saccharide, carb. Glycogen degradation is initiated by the action of phosphorylase, a serine–threonine kinase which catalyzes the rupture of α1→4 glycosidic bonds by insertion of a phosphate at carbon 1. A hemiacetal carbon is bonded to hydrogen, an R group, a hydroxyl group, and an alkoxy group (-OR), and occurs. Check out the pronunciation, synonyms and grammar. Notably, these tech-niques are often inadequate for the reliable determination of the structure of saccharides because computations sufferThe inverting reaction is a single step reaction; a direct displacement of the aglycone, where one carboxylic group is acting as the base and it activates a water molecule that hydrolyzes the glycosidic bond through a nucleophilic attack at the anomeric center (Guce et al. Sugar present in DNA is deoxyribose. Glycosidic bonds are labeled α or β depending on the anomeric configuration of the C 1 involved in the glycosidic bond. ɪk / uk / ˌɡlaɪ. ) is present together with, hemicelluloses and lignin and a small amount of extractives [5]. Glycosidic linkage: “The two monosaccharides are joined together by an oxide linkage formed by the loss of a water molecule. On the other hand, hydrolysis breaks the glycosidic bond converting sucrose into glucose and fructose. For instance, for the quantification of the 2-keto sugars sialic acid and fructose, very mild conditions have to be applied. Meaning of glycosidic bond. Glycosidic bonds are the bonds the hold together a glycoside. Glycosidic linkage can often be formed between hemiacetals or hemiketals and the hydroxyl-containing group. Meaning of glycosidic bond for the defined word. 2. Physics Constants. Formation of the glycosidic bond. Formation of Glycosidic Bonds. The connection in isomaltose is an α-1→6 glycosidic bond. As in other glycosylation and N -glycosylation reactions, the hemiacetal of the sugar must be activated prior to glycosidic bond formation. The bond from the anomeric carbon of the first monosaccharide unit is directed downward, which is why this is known as an α-glycosidic linkage. Polymerization a. A glycosidic bond is a bond between two hydroxyl groups (-OH) of two monosaccharides formed by the elimination of a molecule of water (H2O). It is also known as condensation. Many of them are insoluble in water. 1K views 8 years ago This video shows you how to. 1: sucrose. Meaning of glycosidic bond. Glycogen branching is essential because it allows for increased water solubility and several sites to break it down; this allows for easy and quick glycogen utilization. Figure (PageIndex{1}): Disaccharides: Sucrose is formed when a monomer of glucose and a. -H. Polysaccharide. In chemistry, a glycosidic bond is a certain type of functional group that joins a carbohydrate (sugar) molecule to an alcohol, which may be another carbohydrate. β-1,3-glycosidic bond. M. The difference between isomaltose and maltose is the glycosidic linkage that joins two glucose units. These compounds are fairly soluble in water, and this favors their distribution in the plant and their transfer into the must and wine during vinification. The polymers are depicted as rigid pyranose rings joined by glycosidic bonds, with free rotation about these bonds. Pick your prefered accent: Alex. Definitions (biochemistry) Any bond by reaction of the hemiacetal part of a saccharide and the hydroxyl group of another saccharide or an alcohol noun (biochemistry)Simple Definition of Glycosidic Bond. Julia. There are two basic types of glycosidic linkages: O- glycosidic links involving the hydroxyl groups of Ser, Thr, Hylys or Hypro and N- glycosidic bonds via the amide nitrogen of an Asn residue 1~ (Fig 2). 3: amylose. So, the glycosidic bond from the anomeric carbon (C1 of galactose, in this example) could be either “up” or “down”. 2. O-linked 3. Formation of ethyl glucoside: Glucose and ethanol combine to form ethyl glucoside and water. The α-glycosidic bonds give rise to a helical polymer structure. Glycosides are named for the sugar that provides the hemiacetal group. The anomeric carbon is the hemiacetal or hemiketal carbon of the sugar. A hemiacetal carbon is bonded to hydrogen, an R group, a hydroxyl group, and an alkoxy group (-OR), and occurs from the. ARH3 hydrolyzes the O-glycosidic bond of PAR and O-acetyl-ADP-ribose (OAADPr), in both instances generating mono (ADP-ribose). This formula also explains the origin of the term “carbohydrate”: the components are carbon (“carbo”) and. α-1,4-glycosidic bond. • Glycogen is the same as starch but with additional α-1-6 linkages for. 99. relating to connections that involve sugar molecules (= groups of atoms): 2. O-glycosidic bond. Review the less called Glycosidic Linkage: Definition and Overview for additional information. 5. However, maltose has α-1→4 glycosidic bond as opposed to cellobiose that has β-1→4 glycosidic bond. Disaccharides and polysaccharides are broken down in hydrolysis reactions. 15. Aiming to enhance the reproducibility and efficiency of oligosaccharide synthesis, we studied the relationship between glycosyl donor activation and reaction temperature. to put in a bonded warehouse; to secure (goods) until the associated duties are paid. 1. Coupling. Reduction c. Esterification d. 1: Amylose. Guanosine can be phosphorylated to become guanosine monophosphate (GMP), cyclic guanosine monophosphate (cGMP), guanosine diphosphate (GDP), and guanosine triphosphate (GTP). These bonds are typically formed between carbons 1 and 4. • Starch is a glucose molecule joined by α-1-4 linkage; it is the stored form of sugars in plants. Jak to říct glycosidic bond Anglický? Výslovnost glycosidic bond s 1 výslovnost audio, 1 význam, a více glycosidic bond. US English. A glycosidic bond forms by a condensation reaction, which means that one water molecule is produced during formation of a glycoside. [1] [2] They are extremely common enzymes, with roles in nature including degradation of biomass such as cellulose ( cellulase ), hemicellulose. How to pronounce glycosidic UK /ˌglaɪ. Acetals convert to alcohol and the aldehyde or ketone when their aqueous solution is acidified, as shown in the. 4: Glycolipids is shared under a CC BY 4. It is made up of alpha-D-glucose molecules bound with covalent bonds using an alpha (1,4. Figure 16. Mark. 1A; Chapter 2). Samantha. Key Areas Covered. 42). Examples of Disaccharides 1. Glycosidic bond. Figure 6. A Glycosidic bond is a bond that joins one carbohydrate (sugar) molecule to another, which may or may not be a carbohydrate molecule. Sequence determination-ABO. The glycosidic bond is broken when water is added in a hydrolysis (meaning ‘ hydro ’ - with water and ‘ lyse ’ - to break) reaction. Reference & Cite. 73). Lactose is a disaccharide composed of one molecule of D-galactopyranose and one molecule of D-glucopyranose joined by a β-1,4-glycosidic bond between the 1 of D-galactopyranose and the C4 of glucose. Lactose of milk is the most important carbohydrate in the nutrition of young mammals. Victoria. A glycosidic bond is a specific covalent bond observed in carbohydrate molecules. 糖苷键 is the translation of "glycosidic bond" into Chinese. the glycosidic bonds in cellulose leading to the production of glucose. ɪk/ US /ˌglaɪ. Polysaccharides are generally not sweet in taste. O-glycosidic bond. Acetal derivatives formed when a monosaccharide reacts with an alcohol in the presence of an acid catalyst are called glycosides. 具体的にグリコシド結合とは、単糖(または単糖誘導体)のヘミアセタールとアルコールなどの有機化合物のヒドロキシ基との間の. Break 'glycosidic bond' down into sounds: say it out loud and exaggerate the sounds until you can consistently produce them. What is the name for the glycosidic linkage in the following glycoside? 1, 1 glycosidic linkage. Formation of a glycosidic bond is a condensation reaction as a molecule of water is released, thus the bond can be broken by a molecule. Ester. 1 6. See the full definition Games & Quizzes. The nucleosides present in DNA contain a 2` – deoxy – D- ribose sugar and nucleosides in RNA contain D-ribose sugar. ↔ El enlace glicosídico a un carbono anomérico puede ser ␣ o ␤. 1. 40) has been widely used in food processing and pharmaceutical preparation. In the case of maltose, two glucose sugar units are connected by a glycosidic bond. 3. Glycoproteins. Linear and ring forms 2. glycosidic bond or glycosidic link a bond between the anomeric carbon of a carbohydrate and another group or molecule. They are all disaccharides made up of two glucose. 2019年10月7日に更新. The glucose components are linked together by α-1→4 glycosidic bond, which means the covalent bond forms between the α-anomeric form of Carbon-1 (C-1) on one glucose and the hydroxyl oxygen atom on C-4 on the other glucose. Glycosidic bonds are covalent chemical bonds that hold together a glycoside. A glycosidic bond forms by a condensation reaction, which means that one water molecule is produced during formation of a glycoside. Guanosine can be phosphorylated to become guanosine monophosphate (GMP), cyclic guanosine monophosphate (cGMP), guanosine diphosphate (GDP), and guanosine triphosphate (GTP). to connect, secure or tie with a bond; to bind. • Starch is a glucose molecule joined by α-1-4 linkage; it is the stored form of sugars in plants. How to properly pronounce glycosidic bond? glycosidic bond Pronunciation gly·co·sidic bond Here are all the possible pronunciations of the word glycosidic bond. Grammatically, this idiom "glycosidic bond" is a noun, more specifically, a countable noun. Removal of alpha-1,6-glycosidic bonds (branches): As glycogen is an extensively branched polymer, further processes follow to break the branches to release more glucose-1-phosphate. When two to 20 monosaccharide residues are linked. (b) Because of hydrogen bonding, amylose acquires a spiral structure that contains six glucose units per turn. Hydrolysis ( / haɪˈdrɒlɪsɪs /; from Ancient Greek hydro- 'water', and lysis 'to unbind') is any chemical reaction in which a molecule of water breaks one or more chemical bonds. Starch is a colorless and odorless solid substance that can be found in plants as their storage carbohydrate. Derivatives: the chemistry of carbohydrates a. In isomaltose, the linkage is an α-1→6 glycosidic bond. This means that in maltose the bond forms between the α. Each macromolecule in biochemistry has its corresponding bond that holds the monomers or basic units. How to say glycosidic bond in English? Pronunciation of glycosidic bond with 1 audio pronunciation, 1 meaning and more for glycosidic bond. Relation of amylopectin to starch granule. The. 1406g/mol, while starch contains glucose residues as α(1-4. Definition “Glycan” is a generic term to describe molecules with glycosidic bonds, including sugar (monosaccharides, oligosaccharides. The two monosaccharides C 1 of α α α -D-glucose and C 2 of β β β -D-fructose are held together by a. The α-glycosidic bonds give rise to a helical polymer structure. グリコシド結合は 、炭水化物を別の 官能基 または 分子に結合する 共有結合 です。. Polysaccharides are polymers of simple sugars linked with each other by covalent bonds called glycosidic bonds. g. Definition & Facts. The spatial relation between the two residues is defined in terms of the dihedral angles ϕ and ψ (Fig. The term is used broadly for substitution, elimination, and solvation reactions in which water is the nucleophile. US English. Stereoisomers. Amylopectin is soluble in water, has great bonding capabilities, and participates in starch retrogradation. any of numerous sugar derivatives that contain a nonsugar group attached through an oxygen or nitrogen bond and that on hydrolysis yield a sugar (as glucose) glycosidic. The glycosidic bond is the most flexible region of an oligo- or polysaccharide moiety, since the structural saddle conformation of individual monosaccharides is relatively rigid. A glycosidic bond is a type of chemical bond that forms between two sugar molecules, also known as monosaccharides. : any of numerous sugar derivatives that contain a nonsugar group bonded to an oxygen or nitrogen atom and that on hydrolysis yield a sugar (such as glucose). glycosidic pronunciation - How to properly say glycosidic. ˌglī-kə-ˈsid-ik . There are typically hundreds or thousands of glucose molecules in one amylose molecule. C. The bond from the anomeric carbon of the first monosaccharide unit is directed downward, which is why this is known as an α-glycosidic linkage. Sucrose, which is formed following photosynthesis in green plants, consists of one. A glycosidic linkage is formed through the activation of a glycosylating agent (donor) to create a reactive electrophilic species that couples with the nucleophile (glycosyl acceptor) (Fig. g. 8 °C. Sample translated sentence: Linear, neutral glucan consisting mainly of maltotriose units connected by -1,6 glycosidic bonds. Sucrose is a non-reducing sugar as both the reducing groups of glucose and fructose are involved in the glycosidic bond formation. A molecule with a chemical formula of (C6H10O5)20 is classified as a. glycosides) (organic chemistry, biochemistry) A molecule in which a sugar group (the glycone) is bound to a non-sugar group (the corresponding. Formally, a glycoside is any molecule in which a sugar group is bonded through its anomeric carbon to another group via an O-glycosidic bond or an S-glycosidic bond; glycosides involving the latter are also called thioglycosides. The reverse reaction, the breakage of a glycosidic bond, is a. glycosyl group. They are all disaccharides made up of two glucose units. Glycosides are very common in nature. 1. This adds strength to the entire structure. Another isomer of maltose is isomaltose. Listen to the audio pronunciation of N-glycosidic bond on pronouncekiwi How To Pronounce N-glycosidic bond: N-glycosidic bond pronunciation Unlock premium audio pronunciations. A novel semi‐automated assay revealed diverse responses of members of a panel of. 05 for α(1-1) and α(1-6. Goiter: Definition, Causes, Symptoms, Diagnosis & Treatment. Maltose, which links two glucose molecules, has an α glycosidic bond like sucrose. The glucan polymers consist of α-D-glucosyl residues, connected via α 1,4 and α 1,6 glycosidic bonds. Specifically, a glycosidic bond is formed between the hemiacetal group of a saccharide (or a molecule derived from a saccharide) and the hydroxyl group of some. 1 group of Enzyme Commission. 1. Rotation is possible around both C O and O C of the glycosidic linkage. Formation of ethyl glucoside : Glucose and ethanol combine to form ethyl glucoside and water. Glycosidic bonds are named as a result of both the arrangement of the side groups (e. - Are crystalline, water soluble substances. The bond between the. attached to a hydrocarbyl group respectively. An α(1→4) glycosidic bond forms when the two carbon atoms have the same. . S. The resultant molecule is cellobiose when the glycosidic link is β-(1→4). To calculate the chemical formula of a disaccharide, you add all the carbons, hydrogens and oxygens in both monomers then subtract 2x H and 1x O (for the water molecule lost) Common examples of disaccharides include: Maltose (the sugar. US English. In general speaking, with respect to sugars, a bond between the anomeric carbon atom and the oxygen atom of the alcohol is called a glycosidic bond (this arrangement is termed an O-glycosidic bond). SucroseA nucleoside is a molecule with a pentose sugar linked to a nitrogenous base or glycosylamines. Glycosidic bond formation is the central reaction of glycochemistry and is consequently critical to the glycosciences, as was recognized in the National Research Council’s (NRC) 2012 report Transforming Glycoscience: A Roadmap for the Future. Disaccharides and polysaccharides are broken down in hydrolysis reactions. Cellulose is a linear polymer of between 1000 and 10,000 beta-D-glucose molecules in which adjacent glucose molecules are joined covalently through beta (1-4) glycosidic bonds. In Mal 5, the third glycosidic bond from the non-reducing end was mainly cleaved by rAoAgtA, as. These are referred to by biochemists as N-glycosidic bonds. • Polysaccharides are formed by glycosidic bonding of carbohydrates, and the polymers cellulose, starch, and glycogen are most commonly found in nature. The oligosaccharide is formed by the joining of monosaccharide units via glycosidic bonds. Glycosidic bonds are covalent bonds that may form between the hydroxyl groups of two monosaccharides. This video shows you how to pronounce Glycosidic glycosidic definition: 1. These glucose molecules are bound to each other through glycosidic bonds in order to form polysaccharide. Peptide bonds can be found in proteins. Last updated November 23, 2023. It is composed of a number of glucose monomers. Chapter 1 / Lesson 11. For instance, people who are lactose intolerant lack the enzyme to convert lactose into galactose and glucose. β-1,4 glycosidic bond is formed by covalent bonding of oxygen to the C1 of one. US English. A significant component of the fungal cell wall is chitin. A glycosidic link, also known as glycosidic linkage or glycosidic bond, is the two-bond link between the rings in an oligosaccharide or polysaccharide. . Mark. Amylose is described as an essential carbohydrate with a linear structure that consists of an α (1 → 4) glycosidic linkage ( Fig. It plays a key role in debranching and hydrolyzing starch completely, thus bring improved product quality,. Purine nucleosides feature a 1’–9′ glycosidic bond (sugar carbon 1′, A. In an ester molecule, the bond connecting the atom doubly bonded to oxygen and the oxygen atom bearing the alkyl or aryl group is called. A - OH + X - OH ↔ A - O - X + H 2 O. A molecule with a chemical formula of (C6H10O5)20 is classified as a. The rAoAgtA substrate-degradation velocity for Mal 4 α1,3Glc was 0. The given definition is the one used by IUPAC. Break 'glycosidic bond' down into sounds: say it out loud and exaggerate the sounds until you can consistently produce them. Glycosidic bonds are the covalent chemical bonds that link ring-shaped sugar molecules to other molecules. relating to connections that involve sugar molecules (= groups of atoms): 2. The carbon belonging to the sugar in that bond is the anomeric carbon since its orientation (axial/equatorial) determines the alpha or beta. Polysaccharides ( / ˌpɒliˈsækəraɪd / ), or polycarbohydrates, are. Monosaccharides are poly- hydroxy-aldehydes or -ketones, generally with an unbranched C-chain. Biology definition: A phosphodiester bond is a chemical bond that forms when exactly two hydroxyl groups in phosphoric acid react with a hydroxyl group on other. Julia. aglycone. Sample translated sentence: The extent of conversion is typically quantified by dextrose equivalent (DE), which is roughly the fraction of the glycosidic bonds in. Specifically, the first carbon (carbon-1) of one residue and the fourth carbon (carbon-4) of the other residue are linked by the oxygen, forming the 1,4 glycosidic bond. P. e. The protein glycogenin, which is involved in glycogen synthesis, is located at the core of each glycogen granule. A monosaccharide is the most basic form of carbohydrates. Introduction.