The glycosidic linkage in nucleoside forms from the C-1' carbon of a. N-6 nitrogen of pyrimidines b. N-9 nitrogen of pyrimidines c. N-9 nitrogen of purines d. N-1 nitrogen of purines

Q: Nucleotides consist of _____.   Select one: a. a nitrogen-containing base, a pentose sugar, and a…

A: A biomolecule refers to any of the various compounds created by cells of all life forms.…

Q: 6. Nucleoside triphosphates   a)  are important in the building of nucleic acids   b)  always…

A: DNA and RNA are the basic units that carry genetic information. The difference in these nucleic acid…

Q: The galactose residue is linked to glucose via a/an [alpha linkage, beta linkage]  and the glucose…

A: Trisaccharide refers to a molecule that contains three monosaccharide units. A monosaccharide unit…

Q: Hemicellulose isa. a cross-linked glucose polymer.b. partially digested cellulose.c. a five-carbon…

A: Biomolecules or compounds that contain carbon and hydrogen atoms are known as carbohydrates or…

Q: Determine the origin of the pyrimidine ring's atoms.

A: Pyrimidine derivatives, most notably the three nitrogenous bases that, along with the two purines,…

Q: The source of C8 in adenine is from   A. Glycine   B. Aspartate   C. Glutamine   D. Formate

A: Adenine is a nucleic acid base. It is present in Deoxyribonucleic Acid (DNA) and Ribonucleic Acid…

Q: For D-arabinose: a. Draw its enantiomer. c. Draw a diastereomer that is not an epimer. b. Draw an…

A: The structure of D-arabinose is sjown below for reference.

Q: The blackbone of nucleic acids consists of :

A: A nucleotide is formed by nitrogenous base, sugar and phosphate. The sugar could be ribose or…

Q: Describe how free purines are converted back to nucleotides.

A: Purines is a heterocyclic aromatic organic compounds that consists of two rings. Nucleotides are…

Q: which of the following process do not contribute to purine nucleotide biosynthesis? a) synthesis…

A: Biosynthesis of nucleotides occur in two ways - de novo pathway and salvage pathway. In the de novo…

Q: Expansins are activated by acidic conditions that modify the A. Hydrogen bonds between lignin and…

A: Cell wall surrounds the cell membrane (also known as plasma membrane) and provides rigidity to the…

Q: Which of the following is found in the coenzyme FAD?(a) Two heterocyclic rings (b) ADP(c) A…

A: FAD (Flavin adenine dinucleotide) is an oxidizing agent in catabolic reactions. It is reduced to two…

Q: Draw the structures of L-Cysteine from highly protonated to depronated form. Note Structure A as the…

A: The proteins are constituted of 20 naturally occurring amino acids. The amino acids cysteine has a…

Q: (a) Draw the structure of the high-energy nucleoside triphosphate GTP. (b) Draw the structure of the…

A: In the biological system, there are several metabolic reactions that occur that result in the…

Q: The sugars in DNA and RNA ____.   a. have different numbers of oxygen atoms     b. are the two…

A: DNA and RNA are made of deoxyribonucleic acid and ribose nucleic acid respectively. These both are…

Q: The hydrolysis of nucleoside triphosphates A. is required for them to act as regulatory molecules.…

A: Hydrolysis of Nucleoside Triphosphate involves cleaving of beta- gamma Phospho diester bond in the…

Q: cleoside triphosphates ...   a)  are synthesized from nucleoside monophosphates using the energy…

A: Nucleoside triphosphates are flexible molecules that can be functionalized in a variety of ways. The…

Q: Many antibiotics alter the rate of reaction for enzymes that produce and then cross-link the strands…

A: Note : Hi ! Thank you for the question. We are authorized to answer three subparts at a time. Since…

Q: What type of linkage is catalyzed by peptidyl transferase activity? a. anhydride b. mixed anhydride…

A: Peptidyl transferase is an enzyme that catalyzed the addition of amino acid to the growing…

Q: If I synthesized a protein by chemically linking amino acids together and added a few extra amino…

A: Answers- Naturally proteins are produced from ribosomes in the cell by the process called as…

Q: Glycogen has a. ?-1,4 linkage b. ?-1,4 and ?-1,6 linkages c. ?-1,6 linkages d. ?-1,4 and ?-1,6…

A: Sugars can be categorized into monosaccharides, disaccharides, oligosaccharides, and…

Q: Fatty acids that have ______ are more likely to be liquid at room temperature. A. more double bonds…

A: Saturated and unsaturated fatty acids are the two main forms of fatty acids. The carbon chains of…

Q: Outline the steps in the biosynthesis of the following: a) Pyrimidine nucleotide b) Heme 6.

A: Biosynthesis is a multi-step process, an enzyme-catalyzed process in which substrates are…

Q: A) Discuss the significance of anomeric carbon in carbohydrates. B) Explain the differences between…

A: Biomolecules are molecules involved in the maintenance and metabolism of living organism. It can be…

Q: All of the following are functions of nucleotides EXCEPT: (A) They form part of the structure of…

A: Nucleotides are the organic building blocks of nucleic acids. They are made up of a nucleoside and…

Q: Which of the following statements about this structure is TRUE? a. It contains a phosphoester bond…

A: Introduction The structure is an informational macromolecule consists of a ribose sugar to which…

Q: Meringue in “Lemon Meringue Pie” can be made from egg whites but not whole eggs, because whole eggs:…

A: Eggs are laid by female creatures of various species, including winged animals, reptiles, creatures…

Q: When a purine or pyrimidine is linked through a b-Nglycosidic link to C-1 of a pentose, the molecule…

A: Nucleosides are the structural subunit of nucleic acids such as DNA and RNA. It consists of…

Q: The antibiotic cordycepin inhibits bacterial RNA synthesis. Solve, (a) Of which nucleoside is…

A: Cordycepin is an antibiotic, which also acts as an anti-inflammatory compound as well as…

Q: The Disaccharide Maltose is formed by a (an): O a. a(1- 2) O-glycosidic bond between 2 glucose…

A: Maltose is a disaccharide composed of two monosaccharides attached together via a glycosidic bond.

Q: Pauling's model couldn't be right because:   A. the negative oxygen atoms of the phosphate groups…

A: DNA or deoxyribonucleic acid is the genetic material in most organisms. According to Pauling's…

Q: Diagram the cyclization of monosaccharides which leads to the formation of pyran rings

A: Carbohydrates or polysaccharides are long chain polymers composed of monomers known as…

Q: a.Describe the bonds which hold a quaternary protein molecule together. b. Discuss the reasons why…

A: Proteins are macromolecules and are the main structure involved in the building of cell structures…

Q: . Glycosidic bond between galactose and glucose in lactose is ______. In 2-3 sentences, explain why…

A: Carbohydrates are composed of carbon, oxygen, and hydrogen which are connected by the…

Q: In 3 sentences, explain this.   Discuss the difference between an ⍺-D-glucose and a β-D-glucose.…

A: Carbohydrates act as the primary energy source for most of the organisms present on earth.…

Q: What type of linkage/s are present in Lactose? a(1 → 4) only O B(1→4) only O a, B(1→ 2) only O a (1→…

A: Lactose is known also as milk sugar since it is found in milk of mammals.  It is important as an…

Q: A polymerization reaction that joins together two amino acids:  (Select all that apply) a) is a…

A: Polymerization is a process where monomers join together in chains to form a structure called a…

Q: When a purine or a pyrimidine is linked through a β-N-glycosidic link to C-1 of a pentose, the…

A: Nucleic acids are the biomolecules that contain Deoxyribose sugar (DNA) and ribose sugar (RNA) .both…

Q: Amino acid residues commonly found in the middle of B turn are: a. Pro and Gly. O b. two Cys. c.…

A: The most commonly amino acid residues found in the middle of beta turn is proline and glycine. It…

Q: Show how a monosaccharide such as glucose can attach to a protein structure through the formation of…

A: Glucose is a simple monosaccharide. Carbohydrate groups are often covalently attached to many…

Q: A (-) charge in the transition state can be stabilized by a catalyst, which is usually a(n): a.…

A: A negative charge in the transition state can be stabilized by a BASE. Incorrect options-  a. anion…

Q: Describe why G-C bonding is stronger than A-T. Why is it important?

A: DNA (deoxyribonucleic acid) double helix is formed by two nucleotide chains connected with each…

Q: a. Explain the difference between purines and pyrimidines! b. Describe the reaction of purine…

A: The basic unit of nucleic acid (DN/RNA) is nucleotides. There are two types of nucleotides involved…

Q: he nitrogen on the 6-membered ring of a purine comes from A、glutamine B、Aspartate C、glutamate…

A: Asked : Nitrogen on the 6-member ring of purine comes from which of given options.

Q: Nucleotides consist of a nitrogenous base bound by an N-glycosyl linkage to a phosphorylated…

A: Nucleic acids are made up of nucleotides. A nucleotide is made up of pentose sugar, one of the…

Q: Nitrous acid replaces amino groups with keto groups, a processcalleda. alkylation.b. deamination.c.…

A: Mutagens are molecules that are able to induce permanent mutations in the structure of DNA. They are…

Q: Draw the structure of a D-glucose molecule linked to threonine via a β-glycosidic linkage.

A: The amino derivative of glucose is known as an N-aceltyglucoseamine. where it forms a secondary…