How many stereogenic centers does Histidine have?

Q: What two monosaccharides can be degraded to a. D-ribose? b. D-arabinose? c. L-ribose?

A: The monosaccharides are the aldoses whose C-1 has been removed, whose C-2 carbon has been converted…

Q: Draw Hayworth projection for the disaccharide gentobiose given that the glycoside linkage is (16)

A: Gentiobiose is a disaccharide which consists of two units of D-glucose joined with a beta (1->6)…

Q: Pseudouridine is which of the following? a. The sugar is attached to C-5 of the heterocyclic base…

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Q: How many stereogenic centers that are asymmetric carbons are present in the structure of Biotin? HN…

A: Stereogenic centers are those in which stereogenic nomenclatures (R or S) can be assigned. Usually,…

Q: What is the structure of Glycogen in Open Structure(Fischer) and in Closed Structure (Haworth)?

A: Fisher and Haworth projections are two types of illustration which are used to represent the 3D…

Q: Locate the stereogenic centers in attached compound. A molecule may have one or more stereogenic…

A: Stereogenic carbon atoms may include E/Z, Chiral centres.

Q: If a monosaccharide is represented by a single blue sphere, which of the following representations…

A: 1) Lactose: It is a disaccharide consisting of 2 monosaccharide units ( glucose + galactose ) 2)…

Q: What aglycon and monosaccharides are formed when salicin and solanine (Section 28.7C) are each…

A: The monosaccharide and aglycon is formed from the hydrolysis of salicin in presence of aqueous acid.…

Q: carbohydrate sh

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Q: Label each stereogenic center as R or S.  (see in attachment)

A: Compounds having same molecular formula but dissimilar arrangements of atoms in space are called…

Q: Label the attached stereogenic center as R or S

A: The groups in the given compound are numbered as shown below.

Q: What monosaccharide is this? ball & stick + labels beta-D-ribofuranose beta-D-deoxyribofuranose…

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Q: configurations at the stereogenic center.

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Q: Using the attached image which one of a,b,c, or d represent deoxyribose

A: Deoxyribose is the sugar moiety present in deoxyribonucleic acid (DNA).

Q: In the synthesis of a protected monosaccharide, you are treating the TLC plate with 5% of sulfuric…

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Q: 43. Specify expressions specific to panaxosides. I. taken from ginseng II. there are glucose and…

A: Panaxosides or Ginsenosides are a class of natural product steroid glycosides and triterpene…

Q: How is attached compound related to the simple sugar D-erythrose? Is it anenantiomer, a…

A: Stereoisomers that are Mirror images of each other are enantiomer and Stereoisomers that are…

Q: The specific rotation of (-)-Fructose is [a]p = %3D -84. What would be the observed rotation of…

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Q: Draw the linear form, Haworth formula and chair conformation(if applicable) for the two anomeric…

A: We know that the pyranose form is a six membered ring having oxygen as a hetero atom while furanose…

Q: What monosaccharide is this? ball & stick + labels beta-D-galactopyranose beta-D-ribofuranose O…

A: The given monosaccharide: Has a five membered ring with one position occupied by Oxygen (red atom)…

Q: do a pair of enantiomers share the same structural formula?

A: Enantiomers : two compounds having non-superimposable mirror image relationship are called…

Q: Why is it important that the chemist separate the two enantiomers and test each for its biological…

A: Enantiomers exhibits similar chemical and physical properties.

Q: The specific rotation of a-d-glucose is +112.2. Q.) When a-d-glucose is dissolved in water, the…

A: Interpretation: The specific rotation of α-D-glucose is +122.2. When α-D-glucose is dissolved in…

Q: All carbons of monosaccharide should have at least one hydroxyl group. True or False?

A: Monosaccharides are called as polyhydroxy aldehydes or ketones i.e. monosaccharides are molecules…

Q: What is the maximum number of stereoisomers for mannuronic acid?

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Q: Determine the identity of each monosaccharide (aldopentose, ketotriose etc) How does each monomer…

A: Aldopentose is a carohydrate (Sugar) which can have 5 carbons in its chain with an aldehyde group.…

Q: How many types of stereoisomers are possible for a ketohexose molecule? Draw structures of all…

A: Stereogenic centre: A carbon attached to four different atoms of groups is known as stereogenic…

Q: Sucrose is a chiral compound, and enantio-pure sucrose has specific rotation [?]? 20 = +66.5°. A…

A: SUCROSE : it is a disaccharide sugar molecule . it is made up of glucose and fructose joined…

Q: How is attached compound related to the simple sugar D-erythrose? Is it anenantiomer, a…

A: The attached compound related to the simple sugar D-erythrose. It an enantiomer, a diastereomer, or…

Q: Draw the enantiomer for the following monosaccharide.

A: Enantiomers are the compounds having opposite configuration at the chiral centres. These are the…

Q: Does lactic acid have enantiomers or stereoisomers? And explain why ...

A: Lactic acid have enantiomers because lactic acid is a chiral molecule. Lactic acid has one chiral…

Q: Show the Features of stereoisomers formed ?

A: Organic compounds having the same molecular formula but different structural orientations are known…

Q: Draw Haworth projections of both - and -anomers of D-fructose. Indicate which carbon is the…

A: Haworth projections are closed chain representations, that is as cyclic structure, used for sugar…

Q: Draw a Hayworth projection for the  disaccharide gentibiose given that the anomeric carbon not…

A: We know, Gentiobiose is a disaccharide composed of two units of D-glucose joined with a β(1->6)…

Q: How stereoisomers differ in configuration ?

A: Stereoisomers are isomers that differ in the spatial arrangement of atoms. Structural isomers have…

Q: A student isolated a monosaccharide and determined that it had a molecular weight of 150. Much to…

A: Given information,           Optically inactive monosaccharide with a molecular weight of 150 g/mol.

Q: Are these structures the same compound, enantiomers, diastereomers, or meso?

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Q: Explain Compounds with More Than One Stereogenic Center ?

A: Compounds with more than one stereogenic center have to be explained below,

Q: Draw Fischer projection of a third stereoisomer that is not a mirror image(diastereomer) of D-…

A: Diastereomers are neither mirror images of each other nor superimposable.  Hence we have to draw the…

Q: How are enantiomers related to each other?

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Q: How is attached compound related to the simple sugar D-erythrose? Is it anenantiomer, a…

A: The attached compound related to the simple sugar D-erythrose. Is it an enantiomer, a diastereomer,…

Q: 4) Explain the difference between an enantiomer and diastereomer.

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Q: Draw the step-by-step procedure of linear form (Fischer Projection) of α- D Glucose and β- D Glucose…

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Q: Draw the Haworth projection for the cyclic structure of d-mannose by laying down theFischer…

A: Given: D-Mannose

Q: Draw a D-glucose structure and identify the pyran ring. Also, draw a D-fructose and identify the…

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