Glucosamine is a dietary supplement available in many over-the-counter treatments for osteoarthritis. Reaction of acetyl CoA with glucosamine forms NAG, N-acetylglucosamine, the monomer used to form chitin, the carbohydrate that forms the rigid shells of lobsters and crabs. Given the following reaction, draw the structure of NAG.

Q: There is only one ketotriose, called dihydroxyacetone. Draw its structure.(

A: The ketotriose called dihydroxyacetone which is also called as glycerol is said to be a simple…

Q: Suppose the ethyl acetoacetate was replaced with the compound below, what will pe the effect on the…

A: Acidic hydrogen of ethyl acetoacetate is replaced by a F atom.

Q: 7.7 Triacylglycerols with a higher content of saturated fatty acids have higher melting points to…

A: a. True, Higher fatty acid on triacylglycerols affect the melting point. Higher is the fatty acid,…

Q: Name the three most abundant hexoses in the biological world. Which arealdohexoses, and which are…

A: The three most abundant hexoses in the biological world has to be named. The aldohexoses and…

Q: (a) Label all the O atoms that are part of a glycoside in rebaudioside A. Rebaudioside A, marketed…

A: The glycosidic linkages are the acetal with an alkoxy group –OR attached to the anomeric Carbon. In…

Q: 1. The reactions of fatty acids ( (a) hydrolysis, (b) saponification, and (c) hydrogenation), show…

A: Palmitic acid ------>  hexadecanoic acid ( IUPAC nomenclature ) Its chemical formula is…

Q: Draw the structure of an optically active fat that, when hydrolyzed under acidic conditions.

A: Optically active molecules will posses chiral carbon. Chiral carbon means all the groups attached to…

Q: In glycoside formation, the hemiacetal functional group of a cyclic monosaccharide is converted to…

A:

Q: (i) Acetylation of glucose with acetic anhydride gives glucosepentaacetate. Write the structure of…

A: INTRODUCTION: Glucose is a monosaccharide.Glucose is made by plants and most algae durin…

Q: 21.80 Prednisolone is the synthetic glucocorticoid medicine most frequently prescribed to combat…

A: this given structure is structure of glucocorticoids

Q: The aldonic acid of d-glucose forms a five-membered-ring lactone. Draw its structure.

A: Formation of aldonic acid from D-glucose is given as

Q: Compound B is a Lecithin CHz-O-CO-(CH2)14-CH3 CH-O-CO-(CH2)14-CH3 CHz-O-P(O)-0-CH-CH2-N-(CH3)3*…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Place the compounds in order from highest index of hydrogen deficiency (IHD) to lowest IHD.

A: Index of hydrogen deficiency (IHD) or, better known as double bond equivalent (DBE) is defined as…

Q: Q. Give the synthesis of morphine to apomorphine.

A:

Q: d-(-)-Erythrose has the formula HOCH2¬CH(OH)¬CH(OH)¬CHO, and the d in its name implies that it can…

A: The spatial arrangement of atoms  in an optically active compound is known to be the absolute…

Q: H;C-CH,-C-0–CH3 a) What are all of the IMFS present in molecule A? b) What are all of the IMFS…

A: We have to tell the types of intermolecular forces present in both molecules and tell the relation…

Q: Draw the structure of the aldehyde synthesized from ethanol inthe liver.

A: In the liver, ethanol is oxidized by the liver enzyme alcohol dehydrogenase. Ethanal is produced and…

Q: One step in the degradation of fats involves the reaction of (R)-glycerol phosphate with NAD+ in the…

A: When (R)-glycerol phosphate is treated with NAD+, the 2o alcohol gets oxidized to ketone. The…

Q: d-Glucuronic acid is found widely in plants and animals. One of its functions is to detoxify…

A:

Q: The type of glycosidic bond present in the structure is CH,OH Он CH2OH OH H H. Он CH,OH OH CH2OH он…

A: #Q.1: The type of glycosidic bond in a polysaccharide depends on the carbon number (1,2,3,4 etc.) of…

Q: How does aspirin lower the risk of heart attack? O Aspirin stimulates the conversion of prothrombin…

A:

Q: Use the following compounds to answer the following questions: A) C5H3CIN4 B) C6H8C1F2N3 C)…

A: Here, we have to find the compounds that have IHDs 12 and 3 from the given compounds.

Q: Identify if the statement is TRUE or FALSE. If false, write the word/s that make(s) the statement…

A: 1. The nitrogen(N) in fertilizers mainly come form ammonium ( NH4+) and nitrate ( NO3-) salts.  So,…

Q: Some penicillins cannot be administered orally because their β-lactam is rapidly hydrolyzed by the…

A: Penicillin is frequently used as an antibiotic in curing variety of infections. Compounds consisting…

Q: (a) Label all the O atoms that are part of a glycoside in rebaudioside A. Rebaudioside A, marketed…

A: (a) A hemiacetal converts into acetal when a monosaccharide is treated with alcohol and HCI. The…

Q: Draw the structure of citrulline, which is one of the components of the urea cycle. You do not have…

A: Citrulline is an amino acid. It's structure at pH 7 is drawn in the following step.

Q: what is the cause of peptisation?

A: The formation of colloidal particles from a fresh precipitate on addition of suitable electrolyte by…

Q: d-Glucuronic acid is found widely in plants and animals. One of its functions is to detoxify…

A: Glucuronic acid is an aliphatic cyclic compound with oxygen form a constituent of the ring. Besides,…

Q: What are five reactions that methyl phenylacetate can go throug

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Which of the following reactions involves dehydration? a. conversion of glycerol to acrolein b.…

A: A reaction which involve the loss of water molecule from its reactants is called a dehydration…

Q: draw the structure of CaCO3

A: Calcium carbonate is an ionic compound and it exists as ions.  The structural formula of calcium…

Q: Some penicillins cannot be administered orally because their β-lactam is rapidly hydrolyzed by the…

A:

Q: Define peptization?

A: A colloidal solution is a solution in which particles size in the range of 10-9 to 10-6 m. This type…

Q: In solution, glucose is mostly found in the cyclic hemiacetal state, which lacks an aldehyde group.…

A: Answer - The sugar glucose may be the most commonly known hemiacetal. A hemiacetal is a carbon…

Q: The more general name for the functionality that defines a reducing sugar is: O hemiacetal acetal…

A: A hemiacetal form is thus a reducing sugar. In contrast, acetal forms (glycosides) are not reducing…

Q: Answer the following questions about the eight aldopentoses: Which form an optically active compound…

A: The fisher projections of eight aldopentoses are shown below:

Q: a) Label all the O atoms that are part of a glycoside in rebaudioside A. Rebaudioside A, marketed…

A: A glycosidic bond is formed between the hemiacetal or hemiketal group and the hydroxyl group of some…

Q: d-Glucuronic acid is found widely in plants and animals. One of its functions is to detoxify…

A: Given: To determine the structure of the glucuronide formed by the reaction of beta-d-glucuronic…

Q: Explain the meaning of the following: (a) Esterification (b) Saponification (c) Enantiomers

A: The given terms: (a) Esterification (b) Saponification (c) Enantiomers The meaning of the provided…

Q: In the reaction of acetaldehyde to form acetic acid, NAD+ behaves as an oxidizing reagent.

A:

Q: Draw the products formed when CH3CH2C=C Na+ reacts with following compound. BrCH2CH2CH2CH2OH

A: Hex-3-yne-1-ol. is formed as the major product by the reaction of but-1-in-1-ylsodium, CH3CH2≡C-Na+…

Q: Match the following terms to each of the reaction changes. Carbon oxygen single bond are broken A.…

A: Answer:

Q: When d-glucose is reduced with sodium borohydride, optically active glucitol results.When optically…

A:

Q: What are the intermolecular forces present in the following compounds and their structure: a.…

A: Non-polar , polar every molecules has London dispersion forces. But with increasing in the size of…

Q: Write an equation for the Fischer esterification of butanoic acid (CH3CH2CH2COOH) with ethanol.

A: Write an equation for the Fischer esterification of butanoic acid  with ethanol.

Q: What does it mean to say that D and l glyceraldehyde are enantiomers

A:

Q: What organocuprate reagent is needed to convert CH3CH2COCl to each ketone?

A: The acid chlorides have the best leaving group (CI-) of the carboxylic acid derivatives, react with…

Q: Calcitriol promotes absorption of calcium in the intestines. What substance, which is produced in…

A: Calcitriol is used for the treatment and prevention of lower levels of calcium. It is also used for…

Q: Cholesterol-lowering drugs commonly target, O HMG-COA synthase, the enzyme that catalyzes the…

A: Cholesterol lowering drugs commonly target-HMG-CoA reductase, the rate limiting enzyme in…

Vitamins and Coenzymes

A class of organic compounds needed in the human body for normal activities is known as vitamins. They are characterized into two parts depending upon their solubility in water. They can act as coenzymes, cofactors, or prosthetic groups for enzymes.