It is important to note that galactose is an important component of glyco- proteins. What is the effect on glycoprotein synthesis in case of galactosemic patients who are not given galactose in their diet? Explain this observation.

Q: Which of the following a.B-D-ribose b. thymine c. phosphate which is not a component of…

A: Deoxyribonucleotide means DNA. DNA acts as genetic material in most of the organisms present on the…

Q: Why is chitin water insoluble but the N-acetyl- D-glucosamine from which it is made water soluble?

A: Biomolecules are organic molecules that function inside living systems. They play a whole repertoire…

Q: What sugar is produced by the epimerization of galactose?

A: Sugars are defined as the sweet-tasting compounds that are present in various food sources such as…

Q: What is mannose 6-phosphate  & fructose 6-phosphate ?

A: Answer- The carbohydrate is composed of polysaccharide. Each polysaccharide is composed of monomers…

Q: Which derivative of folate is a reactant in the conversion of (a) glycine into serine? (b)…

A: Introduction:   Proteins are biomolecules that consist of one or more long chains of amino acid…

Q: Raffinose, the most abundant trisaccharide found in nature, occurs in whole grains and numerous…

A: Raffinose is a trisaccharide composed of galactose, glucose, and fructose. It can be found in beans,…

Q: Are the amino acid residues at the active site need to be in close proximity to one another…

A: Enzymes are the catalysts that catalyze biochemical reactions. These are proteinaceous in nature as…

Q: Why is B-D-Glucopyranose in a chair conformation form is the most stable form of glucose present in…

A: B-D-Glucopyranose is a form of D-glucose which is a hexose monosaccharide unit that consists of six…

Q: What factors can affect the fine structure of sulfated glycosaminoglycans in cells?

A: Glycosaminoglycans are negatively charged heteropolysaccharide composed of repeating disaccharide…

Q: Is sucrose a reducing or non-reducing sugar? Explain.   Is lactose a reducing non reducing sugar?…

A: REDUCING SUGAR: A sugar molecule which can undergo chemical reactions like oxidation by acting as a…

Q: Draw the following sugars using Haworth projections:a. b-d-galactopyranose b. a-d-tagatopyranose c.…

A: A Haworth projection represents the cyclic shape of the carbohydrate. For sugars with a ring…

Q: Write a balanced equation for the formation of glycogen from galactose.

A: Glycogen is a polymer composed of glucose molecules. It is the principal storage form of…

Q: What is pentose ? Explain with examples ?

A: The four important biomolecules found in the cell are carbohydrates, amino acids, lipids, and…

Q: Why sucrose is easily hydrolyzed in an acid solution?

A: Sucrose is a type of disacharride molecule, which is formed from the monomer unit (monosaccharides).…

Q: How is the glycerol 3-phosphate required for phosphatidate synthesis generated?

A: Phosphatidate is a necessary biomolecule because phospholipids, which are essential components of…

Q: Considering the formation of glycosidic linkages between monosaccharides, how many possible…

A: A monosaccharide is the simplest unit that can be obtained from the complete breakdown of a…

Q: Which amino alcohol is used in the synthesis of sphingomyelin?

A: Amino alcohol: It is a compound that contains both an Alcohol group (OH) and an Amine group.  It is…

Q: A mature glycogen particle typically has 12 tiers of branches with 2 branches per tier and 13…

A: Glycogen is defined as a polysaccharide of glucose, which is multibranched and thus, is a source of…

Q: Why double bonds of fatty acids in our body are generally in cis for?

A: When hydrogens are present in the same plane, it is known as a cis fat. When the hydrogen atoms are…

Q: What is dimethylallyl pyrophosphate (DMPP)?

A: DMPP is an isoprenoid precursor.

Q: A mature glycogen particle extends out from the homodimer, glycogenin, typically having 12 tiers of…

A: Glycogenin is an enzyme which catalyze the formation of glycogen from glucose. It is known that…

Q: Why "cellulose is composed of a long, branced chain of B-glucose subunits" is false?

A: Introduction Polysaccharides, also known as polycarbohydrates, are the most common type of…

Q: What are some advantages for a glycoprotein in having a large number of N-glycosylation sites?

A: Glycoproteins are a type of conjugated proteins. They have carbohydrates(oligosaccharides)…

Q: Draw the α-l-glucopyranose sugars using Haworth projections:

A: α-l-glucopyranose is also known as α-l-glucose, which has the alpha configuration at the anomeric…

Q: Why is the malate–aspartate shuttle system important for gluconeogenesis?

A: Malate aspartate shuttle or malate shuttle performs in the outerside membrane of mitochondria.

Q: How could you make the zwitterion of aspartic acid more soluble in water?

A: A zwitterion is considered as a chemical compound, which has both charges positive as well as…

Q: Which step in lipid metabolism would you expect to be affected by 3,4-dihydroxybutyl-1-phosphonic…

A: Lipid metabolism is the synthesis and degradation of lipids in cells, involving the breakdown or…

Q: Name the two different glycosidic linkages.  Are these the same linkages as those found in glycogen?

A: Hyaluronic acid is a non- sulfated glucosaminoglycan (GAG).

Q: . Provide an explanation for the fact that a-D-mannose is more stable than B-D-mannose, whereas the…

A: Anomers are diastereomers that differ only at the hemiacetal or acetal carbon. The hemiacetal or…

Q: Is the statement "elongation is the process of introducing double bond in fatty acid", correct?

A: Fatty acid Elongation is the process in which  to make fatty acids longer than 16 carbons occurs in…

Q: In preparation for the winter months, a squirrel gorges itself daily with 25g of blueberries (100 g…

A: Fructose can be converted to glucose and then converted to acetyl CoA 3.6 gm of fructose will get…

Q: Lactose exists in two anomeric forms, but no anomeric forms ofsucrose have been reported. Why?

A: Anomers are the diastereoisomers of cyclic forms of sugars or carbohydrates which differ only in…

Q: Which of an alpha-D-2,3-di-O-methylglucopyranose or alpha-D-2,3, 6-tri-O-methylglucopyranose…

A: Glucose is a type of carbohydrate, or specifically monosaccharide, which is formed during…

Q: Would you expect lysozyme to hydrolyze cellulose? Why or why not?

A: Lysozyme is an antimicrobial enzyme that forms a part of the innate immunity. It is also called…

Q: Individuals with phenylketonuria (PKU) are sensitive to phenylalanine in their diet. Why is a…

A: Phenylketonuria (PKU) is considered a rare genetic disorder, which is not able to utilize the amount…

Q: Why is gluose broken down in a series of steps?

A: Glycolysis is the process of breaking down a glucose molecule into two pyruvate molecules. Here, a…

Q: How would you describe the conformation of the 6-membered ring of sucrose?

A: It is a disaccharide.

Q: How would the absence of 5-phosphomevalonate impact cholesterol and isoprenoid synthesis?

A: The mevalonate pathway is an essential metabolic pathway that produces two five-carbon building…

Q: properties of terazosin

A: Terazosin is a selective potent  adreno-receptor antagonist. It is effectively used for hypertension…

Q: Fish living in environments such as the Arctic Ocean, wherewater temperatures are below the freezing…

A: Introduction: Antifreeze glycoproteins (AFGPs) constitute the major fraction of protein in the blood…

Q: Illustrate and explain the difference between α-D-glucopyranose and  β-D-glucopyranose structures.

A: Glucose is the most abundant monosaccharide which was composed of the molecular formula C6H12O6 . it…

Q: Provide an explanation for the fact that a-D-mannose is more stable than B-D-mannose, whereas the…

A: The anomeric effect is a electrostatic repulsion effect between the electron pairs of the ring…

Q: Explain about Sphingomyelins ?

A: Sphingomyelins are a category of sphingolipids which contain phosphorus and are found predominantly…

Q: What type of protein structure does the active form of Catechol-oxidase most likely possess?

A: Catechol oxidase is a copper oxidase and contains a type 3 di-copper cofactor. It catalyzes the…

Q: Is the statement during fatty acid biosynthesis, the product detaches from fatty acid synthase…

A: Fatty acid biosynthesis is the metabolic process that involves in synthesis of long-chain fatty acid…

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: Why does gelatin harden and change color when exposed to Glutaraldehyde? Why does this same effect…

A: Biomolecules are the biological molecules that are present inside the living organisms. These…

Q: Sucrose does not undergo mutarotation. Explain.

A: Introduction: Mutarotation is change in the optical rotation occurs when there is change in the…