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: Explain the meaning of the following: (a) Chiral carbon (b) Enantiomers (c) Esterification

A:

Q: Give example of a natural polyamide, which is an important constituent of diet.

A: Polyamides are polymers which contain repetitive units of amide linkages (-CO-NH-).

Q: What happened to the starches in the cracker as the amylase enzyme in your saliva reacted with the…

A: Saliva is viscous and a colorless fluid secreted by saliva gland. It has pH of 6.2 to 7.4. It…

Q: There is only one aldotriose, called glyceraldehyde. Draw the two enantiomers ofglyceraldehyde.

A: Enantiomers are the pair of compounds that are non-superimposable on one another but mirror images…

Q: What is a ketopentose?

A: Sugars are basically divided into the following categories based upon the no. of monomeric units…

Q: 44. A food chemist would like to modify lard, an animal fat that is normally a semisolid at room…

A: In the given question we have to convert lard, animal fat into a liquid at room temperature.We know…

Q: Suggest how you could distinguish a sample of glucose from a sample of maltose using Benedict’s…

A:

Q: 2.15) Using the table of fatty acids, draw the condensed structure of an unsaturated triglyceride.…

A: we have to draw the condensed structure of an unsaturated triglyceride

Q: Which of the following functional groups are found in an aldose sugar? (Sec. 20.4) (a) alcohol and…

A: Carbohydrates:  A group of carbonyl compounds (aldehyde and ketone) containing OH groups is called…

Q: Explain why D-glyceraldehyde and L-glyceraldehyde are optical isomers.

A: Isomers are the ones which have the same molecular formula but different structural arrangement of…

Q: In an aqueous solution, d-glucose exists in equilibrium with two six-membered ring compounds. Draw…

A: In an aqueous solution, d-glucose exists in equilibrium with two six-membered ring compounds. The…

Q: 20.) What distinguishes polyunsaturated fatty acids from monounsaturated fatty acids? B) Identity of…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Which statement about saccharides is correct? (A). Alpha anomers are more common than beta anoomers.…

A: Saccharides are organic compounds composed of carbon, hydrogen, and oxygen three elements. They are…

Q: Which of the following contains a sulfur atom as part of the side chain? A) Glycine B) Proline C)…

A: ->We can understand it by drawing their structure

Q: Draw the structural condensed formula of N,N diethylethanamine

A: The given compound is amine having general formula NR2 where R is Hydrogen or any other group . Main…

Q: Which statement(s) is(are) correct regarding the formation of maltose? A. Hydrolysis reaction…

A: Maltose is a sugar.

Q: Draw the a and ß glucose ring structures.

A: Glucose is a monosaccharide carbohydrate having molecular formula, C6H12O6 with six carbon atoms and…

Q: What type of linkage bonds monosaccharides together to form disaccharides and polysaccharides? A)…

A:

Q: Define the term Stereoisomerism?

A: Isomers are molecules with the same molecular formula but different structural formula. For example,…

Q: A lipid is any substance of biochemical origin that is soluble in water but insoluble in nonpolar…

A: Answer Lipids are nonpolar substance Lipids follow…

Q: Classify each of the following as a either saturated, monounsaturated or polyunsaturated fatty…

A: Introduction: In an organic compounds, saturated compounds are those that formed by single bonded…

Q: What chemical test should be used to distinguish allose and maltose?

A:

Q: What defines a compound as optically active/inactive? What is the purpose of determining a…

A: We have to define a compound as optically active and inactive . We have to also write the purpose of…

Q: Glucose is a simple carbohydrate commonly found in food. Which of the following statement is false?…

A: Glucose: It is a simple sugar, the most abundant monosaccharide having molecular formula C6H12O6.…

Q: How can distinguish among the following pairs of compound . by using. .... .... a. starch and…

A: A. When iodine solution is added separately to starch and sucrose solution then starch solution…

Q: 8. A structural feature with in a molecule which is responsi ble for chirality is called c.…

A: Chirality in a molecule may be due to the chiral center or chiral plane or chiral axis.

Q: A sample of a saccharide turns dark blue when subjected to the starch iodine test. What does this…

A: Iodine test is used for the detection of polysaccharide. The polysaccharides that are detected using…

Q: Classify the phrases as pertaining to either sphingolipids, glycerophospholipids, or…

A: Sphingolipid: These are a class of lipids containing a backbone of sphingoid bases, a set of…

Q: Using the following -glucose, amino acid and fats hand draw and identify different classes of…

A: Structural isomers are those in which two compounds have the same molecular formula but differ in…

Q: Which statements are correct regarding the formation of maltose? A. Hydrolysis reaction between…

A: This question is related to carbohydates. Glucose is a monosaccharide, maltose is a disaccharide and…

Q: State the Process of Classifying Compounds as Stereoisomers or DifferentConformations ?

A: Stereoisomers are the compounds which exhibit stereoisomerism. Stereoisomerism is the kind of…

Q: 5. Many toxic compounds or pharmaceuticals are glycosylated (a glucose is adden during metabolism in…

A: 5. Glycosylation is the addition of carbohydrate to the protein to stabilize the structure of the…

Q: Classify the phrases as pertaining to either sphingolipids, glycerophospholipids, or…

A: We are given 3 different types of biomolecules to chose from which are: sphingolipids,…

Q: Illustrate the Glycoside Formation ?

A: Glycoside is the molecule in which sugar is bonded to the functional group via a glycosidic bond. We…

Q: Does glycogen gives a positive result in Iodine's test?

A: When the body does not use glucose, it can be stored as a source of energy. Glycogen is made up of…

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.