糖苷键 is the translation of "glycosidic bond" into Chinese. During the heating of starch granules, amylose has a greater tendency to form gels [ 67 ]. GLYCOSIDIC的意思、解释及翻译：1. Chirality a. Learn Glycosidic Bond with free step-by-step video explanations and practice problems by experienced tutors. Definition In an alpha glycosidic bond, the hydroxyl group (-OH) on the anomeric carbon of one sugar molecule points in the opposite direction (opposite stereochemistry) to the substituent on the first carbon atom (C-1) of the other sugar molecule. Ester. The disaccharides differ from one another in. Glycosidic Bond | Definition & Types Phosphodiester Bond in DNA & RNA | Linkage, Formation & Function Acetyl Group | Definition, Structure & Examples. 67). In this reaction, the hydroxyl group of the carbohydrate combines with the hydrogen of another organic molecule, releasing a molecule of water and forming a covalent bond. 4. 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). Pick your prefered accent: Alex. Glycosides are very common in nature. A peptide bond is for protein molecules, an ester bond is for lipids (specifically for triacylglycerol), and a phosphodiester bond is for nucleotides. It plays a key role in debranching and hydrolyzing starch completely, thus bring improved product quality,. Samantha. In a beta glycosidic bond, the hydroxyl group (-OH) on the anomeric carbon. 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. 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. There are two types of glycosidic bonds, based on the stereochemistry of the carbon atoms. 1. C. Each MurNAc is attached. Chitin is a large, structural polysaccharide made from chains of modified glucose. The function of amylopectin is to aid in energy. Glycogen is a branched biopolymer consisting of linear chains of glucose residues with an average chain length of approximately 8–12 glucose units and 2,000-60,000 residues per one molecule of glycogen. The branching in carbohydrates, however, results due to a 1,6-glycosidic bond. What is Amylopectin – Definition, Structure, Role 2. A monosaccharide is the most basic form of carbohydrates. 3, respectively. Answer and Explanation: 1Cellulolytic enzymes degrade cellulose by cleaving the glycosidic bonds. This means that in maltose the bond forms between the α. Nucleosides are among the most relevant N-glycosides since they are essential components of DNA, RNA, cofactors, and a variety of antiviral and antineoplastic drugs. A glycosidic bond is a covalent bond that joins a carbohydrate to another functional group or molecule. Isomaltose is an isomer of maltose. Depending on their structure, acidic solutions of specific. This linkage is formed from the reaction of the anomeric carbon of one cyclic monosaccharide with the OH group of a second monosaccharide. eg. g. Polysaccharides are produced by the joining of multiple monosaccharides. A mixture of equal parts of glucose and fructose resulting from the hydrolysis of sucrose. A glycosidic bond is a covalent bond that joins a carbohydrate to another functional group or molecule. It is composed of alternating N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM) residues connected by β-(1,4)-glycosidic bonds and cross-linked with short polypeptide chains. For example, the disaccharide maltose consists of. residue by a single sugar residue. g. an alternate NMR definition is also in common use—namely, H1′-C1′-O4-C4 for φ and C1′-O4-C4. 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. Primary bonds are permanent forces of attraction are required for joining together of atoms or molecules to form larger biological molecules. Samantha. 2. How to properly pronounce glycosidic bond? glycosidic bond Pronunciation gly·co·sidic bond Here are all the possible pronunciations of the word glycosidic bond. 2. ˌglī-kə-ˈsid. A glycosidic bond is a specific covalent bond observed in carbohydrate molecules. Glycoside hydrolase. 词典 集合 测验 社会 贡献 CertificateOverview. 发音 glycosidic bond 1 音, 1 意思, 更为 glycosidic bond. This linkage motif contrasts with that for α(1→4)-glycosidic bonds present in starch and glycogen. Amylopectin / ˌ æ m ɪ l oʊ ˈ p ɛ k t ɪ n / is a water-insoluble polysaccharide and highly branched polymer of α-glucose units found in plants. The formation of glycosidic bonds is most frequently practiced by a nucleophilic substitution reaction in. 05 for α(1-1) and α(1-6. You'll be able to mark your mistakes quite easily. Two monosaccharides can join together by means of an O-glycosydic bond to form a disaccharide (Fig. Roles C. The glycosidic bond is between the carbon 1 on glucose and carbon 2 on fructose. -A carbohydrate that contains two monosaccharide units covalently bonded to each other. ɪk/ More about phonetic symbols Sound-by-sound pronunciation UK /ˌglaɪ. Examples: Maltose is formed from two α-glucose molecules joined together by a glycosidic bond. An oligosaccharide with only two monosaccharides is known as a disaccharide. 42). , an alcohol). Another classification of glycosides is based on the chemical group of the aglycone (Table 12. Glycosidic Bond Example Last updated November 02, 2023. You may recognize them as the bonds that link DNA and RNA bases to the sugar-phosphate backbone: The starting point for the synthesis of purine nucleotide triphosphates (ATP and GTP) is a phosphorylated derivative of the ribofuranose called phosphoribosylprophosphate (PRPP). The correct choice is option C – dehydration synthesis. g. Meaning of glycosidic bond for the defined word. Check 'glycosidic bond' translations into Persian. Just as the amino acids are the building blocks for the synthesis of peptides and proteins in living organisms, the. 1, 4 glycosidic linkage. Linear and ring forms 2. 3: Note that the glucose half of sucrose has the α configuration at C 1. During the glycosidic bond formation, one molecule of water is eliminated as given in the diagram. (a) Amylose is a linear chain of α-D-glucose units joined together by α-1,4-glycosidic bonds. A novel semi‐automated assay revealed diverse responses of members of a panel of. Aiming to enhance the reproducibility and efficiency of oligosaccharide synthesis, we studied the relationship between glycosyl donor activation and reaction temperature. Lactose of milk is the most important carbohydrate in the nutrition of young mammals. From: Methods in. US English. Another isomer of maltose is isomaltose. Anthocyans are made up of an anthocyanidin bound to a sugar via a glycosidic bond. The three major disaccharides are sucrose, lactose, and maltose. The difference between isomaltose and maltose is the glycosidic linkage that joins two glucose units. The anomeric configuration in the substrate for glycosidases and. The following types of linkage or bond can be found in a nucleotide unit’s components: N–glycosidic linkage: To generate a nucleoside, a nitrogenous base is attached to the pentose sugar via a N– glycosidic linkage. A glycosidic bond or glycosidic bond is a type of ether bond that joins a carbohydrate (sugar) molecule to another group, which may or may not be another carbohydrate. Hydrolytic reactions are catalysed by enzymes, these are different to those present in condensation reactions. This linkage motif contrasts with that for α(1→4)-glycosidic bonds present in starch and glycogen. What gives an atom the ability to bond?N-glycosides are generated when a sugar component is attached to an aglycon, through a nitrogen atom, establishing as a result a C–N–C linkage. Look through examples of glycosidic bond translation in sentences, listen to pronunciation and learn grammar. The function of amylopectin is to aid in energy. A molecule with a chemical formula of (C6H10O5)20 is classified as a. An N-glycan makes a glycosidic bond with the side-chain nitrogen of an asparagine residue that is a part of a consensus peptide sequence NX(S/T). Maltose, which links two glucose molecules, has an α glycosidic bond like sucrose. ; Sucrose is a non-reducing sugar. Downloads expand_more. glycosidic bond pronunciation - How to properly say glycosidic bond. . Similarly, an ionic bond is formed between a positively charged and a negatively charged ions. On the other hand, hydrolysis breaks the glycosidic bond converting sucrose into glucose and fructose. -Hydrolysis of a disaccharide produces two monosaccharide units. When two or more sugar molecules (monosaccharides) are joined by glycosidic bonds it forms disaccharide and. 1406g/mol, while starch contains glucose residues as α(1-4. to form a friendship or emotional connection. Glycosidic bond formation. N-glycosides are generated when a sugar component is attached to an aglycon, through a nitrogen atom, establishing as a result a C–N–C linkage. Non-covalent bonds in macro-molecular structure D. A polymer is a substance that consists of very large molecules. A glycosidic bond is a bond that connects a sugar monomer to another molecule, which most of the time is another sugar unit. In biochemistry, glycoside hydrolases (also called glycosidases or glycosyl hydrolases) are a class of enzymes which catalyze the hydrolysis of glycosidic bonds in complex sugars. β-1,3-glycosidic bond. The main difference between glycosidic bond and peptide bond is that a glycosidic bond is formed when two carbon atoms of two different monosaccharides are linked together whereas a peptide bond is formed when a carbon atom of one amino acid is linked to a nitrogen atom of a different. Chitin Definition. kəˈsɪd. glycosidic bond. US English. 1. David. β-Glucan is acknowledged as a functional and bioactive food ingredient owing to its biological activities, such as. to connect, secure or tie with a bond; to bind. The primary classification of GH enzymes is based on the chemical reaction they catalyze and their substrate specificity, with an EC number EC 3. It is a peptide bond formation reaction which occurs between two amino acid molecules. Maillard reaction. (b) Because of hydrogen bonding, amylose acquires a spiral structure that contains six glucose units per turn. US English. For instance, maltose is created by linking two glucose molecules and it is widely used in the production of brewing beer. This coupling reaction results in the formation of an α- or β-stereoisomers. David. 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. When there are two sugar molecules linked by one glycosidic link, the resulting molecule is known as a disaccharides, when there. 词典 集合 测验 社会 贡献 Certificate Overview. Oxidation b. An alpha bond is formed when the OH group on the carbon-1 of the first glucose is below. P. relating to connections that involve sugar molecules (= groups of atoms): 2. In a beta glycosidic bond, the hydroxyl group (-OH) on the anomeric carbon. The anomeric OH O H group is. US English. This means that in maltose the bond forms between the α. Glycosidic linkage: “The two monosaccharides are joined together by an oxide linkage formed by the loss of a water molecule. WikiMatrix. Here are 4 tips that should help you perfect your pronunciation of 'glycosidic bond':. Like. Break 'glycosidic bond' down into sounds: say it out loud and exaggerate the sounds until you can consistently produce them. Figure 14. Exercise 10. A) chitin is produced by insects, cellulose is produced by plants. Glycosidic bonds between these glucose molecules can be 1,4- and 1,6-glycosidic bonds. The anomeric configuration in the substrate for glycosidases and in the product for glycosyltransferases must be specified. Glycosidic linkage can often be formed between hemiacetals or hemiketals and the hydroxyl-containing group. Amylopectin has two types of glycosidic linkages: alpha 1-4 and alpha 1-6. 8 Sucrose is formed when a monomer of glucose and a monomer of fructose are joined in a dehydration reaction to form a glycosidic bond. 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. g. 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 molecules. 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 . There are many forms of glycosidic bonds such as C-, O-, N-, and S-. 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. Glycosidic Bond: Definition & Formation. You will receive your score and answers at the end. Oligosaccharides 1. A polymer made up of monomers of N-acetyl-D-glucosamine connected by a β–1,4 glycosidic bond. Samantha. Polysaccharides are generally not sweet in taste. In this current work, we employed both an experimental and a theoretical approach to gain mechanistic insights into theGlycosidic Bond: Definition & Formation. A covalent bond that joins the hemiacetal group of a saccharide molecule and the hydroxyl group of some organic compound (e. 1, 7. C. 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。. The two monosaccharides (monomers, a molecule that can be bonded to other identical molecules to form a polymer) form a disaccharide (2 monomers bound together) and. US English. It is formed through a condensation reaction, where an -OH group from one sugar molecule combines with an -H atom from another sugar molecule, resulting in the formation of a covalent bond. However, maltose has α-1→4 glycosidic bond as opposed to cellobiose that has β-1→4 glycosidic bond. The bond is usually named with the specific linkages: for example in cellulose, glucoses are linked by β(1,4) linkages, which means in a standard ring diagram, the upward-facing β-hydroxyl on the 1-carbon interacts with the —OH on the 4-carbon of a neighboring glucose. US English. Figure 6. , Proc Natl Acad Sci USA 1959, 45, 1582. A. Grammatically, this idiom "glycosidic bond" is a noun, more specifically, a countable noun. Bonds between Different Units of Nucleotides. The major β‑amylases that have been studied are from sweet potato, barley, and soy beans . How to pronounce glycosidic UK /ˌglaɪ. The alternating sugars are connected by a β-(1,4)-glycosidic bond. US English. They constitute EC 3. In animals, the glucan formed is glycogen, which consists of glucose molecules linked by α(1->4) glycosidic bonds, and branching α(1->6) bonds approximately between 8 to 14 residues apart. The disaccharides differ from one another in. The new chemical bond that forms between two monosaccharides is known as a glycosidic bond. Moreover, GHs also harbor trans glycosidase that perform trans. Look through examples of glycosidic bond translation in sentences, listen to pronunciation and learn grammar. Therefore, glycogen is a very branched polysaccharide. The bond is usually named with the specific linkages: for example in cellulose, glucoses are linked by β(1,4) linkages, which means in a standard ring diagram, the upward-facing β-hydroxyl on the 1-carbon interacts with the —OH on the 4-carbon of a neighboring glucose. Note that in dextran there is also free rotation about the bond between C-5 and C-6 (torsion angle ѡ (omega)). Formed between anomeric carbon and alkoxy oxygen of sugar molecules. (b) Because of hydrogen bonding, amylose acquires a spiral structure that contains six glucose units per turn. 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. 2. Noun glycoside (pl. 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). What is the name for the glycosidic linkage in the following glycoside? 1, 1 glycosidic linkage. A free hydroxyl group on the lipid’s backbone is bound by the sugar's anomeric carbon. The bond to the alcohol is given the special name of glycosidic bond. The anomeric configuration in the substrate for glycosidases and in the product for glycosyltransferases must be specified. Glycosides can be linked by an O- (an O-glycoside ), N- (a glycosylamine ), S- (a thioglycoside ), or C- (a C-glycoside) glycosidic bond. Amylopectin is a branched-chain polysaccharide composed of glucose units linked primarily by α-1,4. US English. Lysozyme (or muramidase or N-acetylmuramic acid hydrolase E. Starch is a colorless and odorless solid substance that can be found in plants as their storage carbohydrate. (Many authors in biochemistry call these compounds N-glycosides and group them with the glycosides; this is considered a misnomer and discouraged by IUPAC. to guarantee or secure a financial risk. ). 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. • Polysaccharides are formed by glycosidic bonding of carbohydrates, and the polymers cellulose, starch, and glycogen are most commonly found in nature. Much of the chemistry of glycosides. Disaccharide – a carbohydrate which can be hydrolyzed to give two monosaccharides. 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. Glycogen is the main storage polysaccharide in animals. O-glycosidic bond is formed by the reaction between the hydroxyl group of one monosaccharide with the anomeric carbon atom of the other. A glycosidic bond, which is a covalent bond, is formed between the lipids and the saccharide to form a glycoconjugate. 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. So, a glycoside is. 1K views 8 years ago This video shows you how to. Amylopectin is a branched-chain polysaccharide composed of glucose units linked primarily by α-1,4. 1,4 alpha glycosidic bonds are formed when the OH on the carbon-1 is below the. glycosides) (organic chemistry, biochemistry) A molecule in which a sugar group (the glycone) is bound to a non-sugar group (the corresponding. Disaccharides are one of the four chemical groupings of. Sample translated sentence: The glycosidic bond to an anomeric carbon can be either ␣ or . 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. Stereoisomers. The alpha-1,4-glycosidic bond is the more common bond and it gives glycogen a helical structure that is suitable for energy storage. The number of glucose sub-units ranges typically from 300 to 3000 or more. 8). However. ɪk/ US /ˌglaɪ. 10. A glycosidic bond or glycosidic linkage is a type of ether bond that joins a carbohydrate (sugar) molecule to another group, which may or may not be another carbohydrate. Hydrolytic reactions are catalysed by enzymes, these are different to those present in condensation reactions. Glycogen is a polysaccharide, meaning it is made up of long chains of monosaccharides (simple sugars) connected by two glycosidic bonds: an alpha-1,4-glycosidic bond and an alpha-1,6-glycosidic bond. 2. Starch is a colorless and odorless solid substance that can be found in plants as their storage carbohydrate. 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. Both glycosidic bonds and peptide bonds are types of covalent bonds. Monosaccharides 1. Figure (PageIndex{1}): An Equilibrium Mixture of Maltose. Learn about carbohydrates, a type of organic molecule and source. Monosaccharides-Chemistry 1. Nucleotide A 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 its 5' carbon via an ester bond. The glycosidic bond is formed by the nitrogen-carbon linkage between the 9′ nitrogen of purine bases or 1′ nitrogen of pyrimidine bases and the 1′ carbon of the sugar group. Julia. Some authors define glycosides as compounds obtained by replacing the hydroxy group on the hemiacetal carbon or on the hemiketal carbon. The dissolution of polysaccharides is different from that of the small crystalline. Glycosidic bonds can be of the alpha or the beta type. Amylopectin is a branched-chain polysaccharide composed of glucose units linked primarily by α-1,4. The resultant molecule is cellobiose when the glycosidic link is β-(1→4). Starch is a polysaccharide. 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. Glycosidic bonds (also called glycosidic linkages) can be of the alpha or the beta type. [1]1. The term “glycosidic bond” is a misnomer because the glycosidic bond is not just one bond, but two bonds sharing an oxygen atom. (1-4) glycosidic bonds, with the molar mass of 162. . 7. 2019年10月7日に更新. from . An α(1→4) glycosidic bond forms when the two carbon atoms have the same. Peptide bonds can be found in proteins. Carbohydrates are the most abundant among the major classes of biomolecules. Julia. The cellulose found in woody plants (wheat, soft and hard woods, straw, bamboo, etc. . The spatial relation between the two residues is defined in terms of the dihedral angles ϕ and ψ (Fig. These terms are misnomers and should not be used. Molecular Structures. Create your account. Glycosidic bonds are covalent bonds formed between a carbohydrate and any other molecule. Moreover, glucuronic acid attaches to different. Thus, if glucose provides the hemiacetal group, the resultant molecule is a glucoside; if galactose provides the hemiacetal group, the result is a galactoside. Anomeric carbon and activation to a good leaving group. and for compounds having a. 1 Glycoside hydrolase. ; Record yourself saying 'glycosidic bond' in full sentences, then watch yourself and listen. They are the N-glycosidic bond, S-glycosidic bond, and O-glycosidic bond. glycosylamines. A glycosidic bond is a covalent bond formed between a carbohydrate molecule and another molecule. Glycogen is a highly branched glucose polymer. 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. Isomaltose is an isomer of maltose. Carbohydrate (biology definition): any of the group of organic compounds consisting of carbon, hydrogen, and oxygen, usually in the ratio of 1:2:1, hence the general formula: C n (H 2 O) n. You may want to improve your pronunciation of ''glycosidic bond'' by saying one of the nearby words below: glycolysis; glycogen; glyphosate; glycemicGlycosidic bonds of the form discussed above known as O-glycosidic bonds, in reference to the glycosidic oxygen that links the glycoside to the aglycone or reducing end sugar. - A disaccharide, also know as milk sugar. Starch and glycogen serve as short-term energy stores in plants and animals, respectively. The bond formed as a result of this dehydration (water removal) reaction is called the glycosidic bond Glycosidic bond in carbohydrates can be of two types: Alpha or Beta The glycosidic bond can be formed by the removal of water between 'OH' groups present on the same plane or different planes of the monosaccahridesA disaccharide (also called a double sugar or biose) [1] is the sugar formed when two monosaccharides are joined by glycosidic linkage. 1). Stereoisomers. US English. It is made up of alpha-D-glucose molecules bound with covalent bonds using an alpha (1,4. ARH3 hydrolyzes the O-glycosidic bond of PAR and O-acetyl-ADP-ribose (OAADPr), in both instances generating mono (ADP-ribose). Liaison osidique is the translation of "glycosidic bond" into French. These terms are misnomers and should not be used. Oligosaccharides 1. 0:00 / 0:18 How to Pronounce Glycosidic Pronunciation Guide 234K subscribers Subscribe 17 Share 9. グリコシド結合を含む物質は、グリコシドと呼ばれ ます 。. Sequence determination-ABO. 3 for a quick review). Scientific Calculator. Ester bonds can also be called ester linkages. Goiter: Definition, Causes, Symptoms, Diagnosis & Treatment. Lactose. Cellulose is a linear homopolymer of d-glucose units linked by β (1–4)-glycosidic bonds (Fig. Cellobiose is also similar to trehalose and isomaltose. -α-1,6 glycosidic bonds are found at branch points. The general structure of. Any bond by reaction of the hemiacetal part of a saccharide and the hydroxyl group of another saccharide or an alcoho. g. Molecules that share the same molecular formula. These are considered as polymeric molecules composed of monosaccharide building blocks. It is a non-reducing disaccharide composed of glucose and fructose joined at the anomeric carbon of each by glycoside bonds (one alpha and one beta). ARH3 hydrolyzes the O-glycosidic bond of PAR and O-acetyl-ADP-ribose (OAADPr), in both instances generating mono (ADP-ribose). A glycosidic bond is used to link each glucose sugar unit together. Esterification d. 1. Download Page (PDF) Download Full Book (PDF) Resources expand_more. α-1,2-glycosidic bond. Bonds between glucose molecules are known as glycosidic bonds. US English. In all cases, minima on the potential-energy surface readily divide into covalently bound acetoxonium-type species with a C=O–C1 bond distance below 1. Cellulose is derived from D-glucose units, which condense through β(1→4)-glycosidic bonds. Amylopectin has two types of glycosidic linkages: alpha 1-4 and alpha 1-6 . Many of the naturally-occurring oligosaccharides are linked to other biomolecules, such as proteins, peptides, and lipids. Therefore, disaccharides are sugars composed of two monosaccharide. Structure Peptidoglycan. The protein glycogenin, which is involved in glycogen synthesis, is located at the core of each glycogen granule. 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. A chain of nucleotides joined together by phosphodiester bonds. In maltose, the glucose molecules are linked together by an α-1→4 glycosidic bond. It means that the glucose molecule at the branch point is attached to the main chain via alpha 1-6 bond. α-1,4-glycosidic bond.