Amino acids can be prepared from a-halo carboxylic acids [RCH(X)COOH] by reaction with excess NH3. Why is excess NH3 needed for this reaction?

Q: What is unique about TPP that makes it useful in decarboxylation reactions?

A: TPP acts as a coenzyme in several decarboxylation reactions, such as pyruvate conversion to…

Q: CH2OH -OH HO- H H- -O- H -OH ČH2OH

A: The oxidation reaction is the process of the addition of oxygen or the removal of hydrogen from the…

Q: Ribulose is a ketopentose with the anomeric C on C-2. Will this monosaccharide reduce Benedict’s…

A: A few sugars, like glucose, are labeled as reducing sugar as they are capable of moving electrons…

Q: With alanine AA, and using citric acid cycee and glycolysis, which Carbon atom would be labeled 1st…

A: -COOH is labelled with 14C in alanine. The ketones becomes labeled with 14C in acetyl CoA,…

Q: Why does the violet color of the Hubble’s reagent fade away in unsaturated fats/oil?

A: a. Fatty acids are classified into saturated and unsaturated fatty acids. b. Saturated fatty acids…

Q: The structure of aspartame, is shown in the following diagram. Label the functional groups. H O H…

A: Aspartame It is an artificial non-saccharide sweetener. It is 200 times sweeter than sucrose. It is…

Q: In the monosaccharide derivatives known as sugar alcohols, the carbonyl oxygen is reduced to a…

A: The D- and L- notation is a convenient way to designate enantiomers. For e.g., D-Glucose is the…

Q: The peptide CMYLES is reacted with phenylisothiocyanate under basic conditions followed by…

A: In Edman's reaction to determine N terminus amino-acid sequencing  Phenyl Isothiocynante is reacted…

Q: If mevalonate labeled with 14C in the carboxyl carbon were administered to rats, which carbons of…

A: The mevalonate pathway, or the isoprenoid pathway, also termed the 3-hydroxy-3-methylglutaryl-CoA…

Q: Is cholesterol the only compound in egg yolks that is soluble in 2-propanol? why or why not?

A: Egg whites are rich in protein and egg yolks are rich in cholesterol and vitamins and fat.

Q: The two reactions that convert glutamate to ornithine are, first, a of the y-carboxylate group of…

A: Ornithine is a proteogenic amino acid that plays a role in the urea cycle. It is mainly formed from…

Q: Draw structures of the following compounds:(a) cis-Hept-3-ene(b) cis-4-Methylpent-2-ene(c)…

A: The chemical structure of the given below:

Q: Lefer to the figure showing the molecular structure of dimethylmercury. H–C-Hg C-H H. Exposure of…

A: Dimethyl mercury is one of the most potent neurotoxins known. It readily crosses the blood-brain…

Q: What disulfides would you obtain from oxidation of the following thiols?(a) CH3CH2CH2SH (b)…

A: A thiol or thiol derivative is any organosulfur compound of the form R-SH, where R represents an…

Q: Which of the following is the common carbohydrate in all types of gangliosides? O D-galactose…

A: Glycolipids are lipid molecules containing carbohydrate residues linked to a hydrophobic lipid…

Q: Carvone exists as a pair of enantiomers. (R)-(-)-carvone smells like spearment, whereas…

A: Introduction- The two compounds which possess the chiral activity and non superimposes mirror image…

Q: A drug company has decided to use recombinant DNA methods to prepare a modified α1 -antitrypsin that…

A: Amino acids are the organic compounds join to form proteins.

Q: Reduction of D-fructose with a reducing agent yields a mixture of d-sorbitol along with a second,…

A: Reducing sugars are the sugars that are capable of reacting with reducing agents because they…

Q: This is the compound tagatose. Is this an aldose or a ketose?

A: Tagatose is a six-carbon monosaccharide. It is a rare sugar.  Tagatose is used as a low-calorie…

Q: If thymine nucleotides are degraded by the same enzymes as those catabolizing uridine nucleotides,…

A: The cleavage of the ring structures metabolizes thymine and uracil nucleotides. The usual end…

Q: although one or more carbon atoms of glutamate can be incorporated into most carbon-containing…

A: Organisms contain four major atoms. These are carbon, hydrogen, oxygen, and nitrogen. The four major…

Q: what type of reaction is the the reverse synthesis of ceramides from sphingosine

A: Ceramides belong to the family of waxy lipids that contain sphingosine and fatty acids. It is…

Q: The reaction of methoxy benzene with hydrogen iodide will yield a phenol and an alkyl halide. Which…

A: Organic chemical compounds are those that are made up of carbon, oxygen and hydrogen. They contain a…

Q: What product is formed when a solution of A and B is treated with mild base? This reaction is the…

A: Rosuvastatin is considered a medication used for cardiovascular disease in patients with abnormal…

Q: the following peptide is incubated as chymotrypsin: Gly-Val-Phe-Lys-Ala. Present the detailed…

A: Peptides are small amino acid sequences.The proteolytic enzymes like trypsin, pepsin,…

Q: COOH H- H- -OH HO -H H- -OH ČOOH е.

A: ANSWER;- e.) Galactaric Acid.

Q: The following peptide (alanylglutamylglycylalanylleuci ne) has.. O A disulfide bridge. O Five…

A: Different amino acids are connected via the peptide bond to form a peptide. Each amino acid has a…

Q: Fumaric acid is a metabolic intermediate that has the systematic name trans-2-butenedioic acid. Draw…

A: Fumaric acid is a solid, white colored compound. It has a fruity taste and is naturally found in…

Q: The formation of thymidylate is typically coupled with the synthesis of which amino acid? O Cysteine…

A: Thymidylate or thymidine monophosphate (TMP) is a nucleotide base monomer in DNA.  Deoxyribonucleic…

Q: Phosphate esters can form at carbons 2 to 6 of an aldohexose but not at carbon 1. Explain.

A: Aldohexose is formed by six carbon atoms with an aldehyde group present at C-1. Glucose is an…

Q: Why should phenylketonurics avoid using aspartame, an artificial sweetener? (Hint: Aspartame is…

A: Introduction Phenylketonuria (PKU) is a rare genetic condition in which the amino acid phenylalanine…

Q: Draw the structure of two different aldohexoses that yield the followingaldaric acid when oxidized…

A: Aldohexose are 6 carbon containing compound which had an aldehyde group attached to it. Aldaric acid…

Q: A decapeptide has the following acid composition; Al2,Arg,Cys,Glu,Leu,Phe,Val Partial…

A: Hello! Since you have posted multiple questions, we are answering only first question. If you need…

Q: List two classes of compounds derived from arachidonic acid. Suggest some reasons for the amount of…

A: Introduction Arachidonic acid is a polyunsaturated fatty acid found in the phospholipids of cell…

Q: 1,2-dioleoyl-3-myristyl-sn-glycerol sn-16:0-12:0-16:0 LLnO Consider the TAGS above a. Which is most…

A: Triacylglycerides are esters of fatty acids that are hydrolyzed to form glycerol and free fatty…

Q: The interconversion between the two forms of guanine base shown below is called form of guanine is…

A:

Q: What would be the characteristics of a transitionstate analog for the chymotrypsin reaction?

A: Chymotrypsin : It is a protein enzyme active in the digestive system of many organisms. It…

Q: A drug company has decided to use recombinant DNA methods to prepare a modified α 1 - antitrypsin…

A: When a drug company is using recombinant DNA method to prepare a modified antitrypsin that is more…

Q: Methionine has a sulfur atom in its formula. Explain why methionine does not form disulfide bridges.

A: The monomers, amino acids are linked by peptide bonds to form a polypeptide chain. One or more…

Q: Diet soft drinks that are sweetened with aspartame carry a warning label for phenylketonurics. Why?

A: Phenylketonuria or PKU is an inborn error of amino acid metabolism. This condition occurs because of…

Q: When glucose is reduced, only one alditol is produced. When fructose undergoes the same reaction,…

A: Introduction:  Reducing sugars are those sugars that have a free aldehyde or ketonic group. When…

Q: Draw the structural formula for -D-glucosyl-(1n6)-D-mannosamine and circle the part of this…

A: Monosaccharides are simple sugars and when two monosaccharides are combined, a disaccharide is…

Q: Explain all amin acids are absorbed in L- form while methionine as amino acid absorbed in D-form?

A: Amino acids are biomolecules that contain both amino groups and carboxylate groups (–COO−). In most…

Q: Identify all the possible products when the tripeptide Ala-Val-Ala undergoes partial hydrolysis

A: Proteolytic enzymes hydrolyze proteins at optimum temperature and pH and cleaves bonds between them.…

Q: what is the value of glycine pKa of nh3 group

A: Amino acids are organic compound having functional group carboxyl (-COOH) and amino (-NH2). pKa…

Q: The beta-branched OH amino acid depicted below is: O OH NH₂ OL-L Isoleucine

A: Threonine and isoleucine both have almost similar structure , the only difference is in their side…

Q: What complication could arise from the biological synthesis of ceramide?

A: * ceramides composed of sphingosine and fatty acid. * They are mainly present in cell membranes with…