2. Consider the figure below. To produce a cephalin, which of the species listed below might be used to replace the fatty acid shown in the box? ÇH-0-C-(CH2)14CH3 C-O-Ö-(CH2),CH=CH(CH2),CH3 ČH0-C-(CH2)14CH3 -ofowonion, Ń(CH3)3 а. -CH-CH-NH3 b. CH,OH он С. он ÓH d. –NH-Ö-(CH2);CH=CH(CH2);CH3

Q: 15. Which of the following glycans can be released from proteins using BB- elimination? a. Complex…

A: Note: We are authorized to answer one question at a time since you have not mentioned which question…

Q: Fructose is a labeled on its anomeric carbon with 14C. This labeled fructose is added to muscle…

A: A method utilized in many scientific investigations including radiocarbon dating is carbon-14 (C-14)…

Q: 13. Observe the diagrams below. Which sugar(s) is(are) epimers of xylose? Specify the carbon that is…

A: Stereochemistry involves the study of the spatial arrangement of atoms that form the structure of a…

Q: Identify the type of bond between the water molecules indicated by arrow "A" Red Balls = Oxygen Blue…

A: What is a chemical bond?A chemical bond is a lasting attraction between atoms or ions that enables…

Q: The figure shows interaction of various amino acids (Phe, Arg, and Asn) present in Hb with 2,3-DPG.…

A: A protein present in the erythrocytes that transports oxygen from the lungs to the cells and tissues…

Q: 3. Below are abbreviated Haworth projections of 4 sugars. Label the sugars as a or ß. Which sugars…

A: The question is related to the D and L,  classification of carbohydrates.D form: If the OH group of…

Q: NOTE: PLEASE SEND A CLEARER IMAGE PLEASE 1. Ionization scheme of Phenylalanine, methionine,…

A: Ionization of amino acids depends upon the pH of the surrounding environment. All amino acid display…

Q: Suppose you adjusted the pH of the biotin solution to 4.5 - what effect would that have on the…

A: Biotin is a vitamin which is also called as Vitamin B7. Biotin is a polar compound with it's…

Q: Which of the following forms of lysine would you expect to predominate at low pH, neutral pH and…

A: Amino acids are building blocks of proteins. They can exist in two different isomers L and D form…

Q: A nonapeptide was treated with dithiothreitol to reduce any disulfide bridges, then partially…

A: Amino acids are the basic unit of the peptide and proteins. They are joined via the peptide bonds to…

Q: Which of the following statements is correct regarding the structures below? CHO CHO H-OH ОН H-OH -н…

A: Monosaccharides are the simplest carbohydrates. Based on the functional groups, they are classified…

Q: The alkaline hydrolysis of pAUGCAGC oligonucleotide produces: O A. Uridine 2'-monophosphate, uridine…

A: Alkaline hydrolysis is a process by which RNA is degraded dur to attack of -OH ions of alkali. The…

Q: At pH ___, the pentapeptide Ala-Glu-His-Val-Cys would contain two positively charged groups and one…

A: Amino acids are the building blocks of proteins. They are organic compounds composed of an amino…

Q: The following diagram shows and enzyme (in gray) that has transiently bound cyclic AMP, a signaling…

A: Active sites of an enzyme have some special binding properties as they have amino acid residues that…

Q: 2. Hemoglobin releases protons upon oxygen binding. This phenomenon is called the Bohr effect, and…

A: Introduction Hemoglobin, often known as Hb or Hgb, is an iron-containing oxygen-transport…

Q: 2-year old girl presents with steatorrhea and is diagnosed with pancreatic lipase deficiency. She is…

A: It is a autosomal recessive disorder and is characterized by exocrine pancreatic failure. It is…

Q: Choose from A-F. This amino acid may serve as a phosphorylation site, and turn on or off the…

A: Protein phosphorylation is a type of protein regulation called a reverse covalent modification. The…

Q: Classify the following amino acids as nonpolar, polar basic, polar acidic, or polar neutral. (a) (b)…

A: Amino acids are the molecules that contain both amino and carboxylic acid groups. In living systems,…

Q: Which of the structures above is a component of sucrose and predominantly forms a furanose ring…

A: Fructose and glucose are the two monosaccharides that make up sucrose, a disaccharide. C12H12O11 is…

Q: 15. Which of the following glycans can be released from proteins using ?β-elimination? a. Complex…

A: Note: We are authorized to answer one question at a time since you have not mentioned which question…

Q: Below is a picture of a molecule called StemRegenin-1 (SR-1) interacting with a polypeptide at…

A: Proteins fold to form tertiary structures. The purpose of protein folding is to keep the hydrophobic…

Q: The chemical structure of Coenzyme A contains the following except— a phosphoanhydride moiety. a…

A: Coenzyme A is a cofactor that acts as an acyl group carrier. It plays a significant role in…

Q: 3. Explain why B-keto acids are more readily decarboxylized than a-keto acids. R a-keto acid B-keto…

A: Decarboxylation is the reaction when carbon dioxide is released in a reaction leading to reduction…

Q: 8) Consider the tetrasaccharide stachyose drawn below. Stachyose is found in white jasmine,…

A: Stachyose is a tetrasaccharide consisting of two D-galactose units, one D-glucose unit, and one…

Q: Which polysaccharide is cleaved by beta glucosidases? A. Amylose B. Glycogen C. Inulin D. Cellobiose…

A: Polysaccharide is of two types homo and heteropolysaccharides. Homopolysaccharides have a single…

Q: List a few examples of cellular work. e. Where does the energy to make ATP come from? It doesn't…

A: Enzyme: It is a biocatalyst that increases the rate of a chemical reaction by lowering the…

Q: Which statements below are false? ) (a) Antiparallel ß sheets are more common in proteins than…

A: Beta sheets are one of the most prominent secondary structures seen in proteins. Here multiple beta…

Q: A mixture of the following amino acids (glu, leu, val, arg, ser, phe) was obtained upon complete…

A: The following amino acids (glu, leu, val, arg, ser, phe) were obtained from complete hydrolysis of a…

Q: Classify the following enzymes: Oxidoreductase, Hydrolase, Transferase, Lyase, Ligase, Isomerase 1.…

A: Introduction: Enzymes are biological catalysts that mean catalysts of life. They are protein by…

Q: 19.Arachidonate (20:4A5,8,11,14) is synthesized from linoleate (18:2A9,12). In turn, arachidonate is…

A: Humans cannot biosynthesize linoleate and hence linoleate must be obtained from diet. Linoleate is…

Q: One of the triacylglycerols found in corn oil contains palmitic acid, linoleic acid, and linolenic…

A: Fatty acids are the simplest form of lipids with a long hydrocarbon chain and a carboxylic acid…

Q: 8. Match each of the following amino acids with the intermediate needed for its synthesis. (a)…

A: The non-essential amino acids can be synthesized in the body, they need not be supplied in the diet.…

Q: early all bacteria contain peptidoglycan. Review the structure of peptidoglycan by selecting the…

A: It is an essential component of bacterial cell wall. Let us see all options below -

Q: Deduce the amino acid sequence of a polypeptide from the following: 1. Acid hydrolysis gives Ala2,…

A: Deducing the amino acid sequence of a polypeptide from the analysis of peptide fragments generated…

Q: compound can be synthesized by plants but NOT by humans

A: Plants have methyl-end desaturases which introduce double bonds in the fatty acids at omega-3 and…

Q: 1. The figure below shows the Fischer projection of an L-aldohexose. T or F Но- HO- но ČH2OH 2. T or…

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

Q: 5. How would you classify B and c? What are they used for? Are A and D diastereomers? Are A and D…

A: Carbohydrates are polyhydroxy aldehydes or ketones. Monosaccharides are simplest carbohydrates:…

Q: Consider à ollowing sequence: His-Cys-Leu-lle-Met where Met is at the C-terminus end. Based on the…

A: Amino Acids are are structures linked by Peptide Bonds to Form Polypeptide Chains. Proteins are…

Q: 1. Identify the encircled functional group (hydroxyl, carbonyl, amino, carboxyl). a) H3C. H3C S N NH…

A: There are four major classes of biological macromolecules called Nucleic Acids, Proteins,…

Q: a. What is the optimum pH of wild type ß-galactosidase? b. What is the optimum temperature of mutant…

A: Enzyme activity refers to the general catalytic activity of an enzyme. It can be affected by:…

Q: 8. hich of the following is polypeptides? O true about The peptide bond that links the amino acids…

A: A functional protein is built up of polypeptide chains, which are composed of amino acids and folded…

Q: HO ↑ A CH3 B choline head group H3C. C glycerol backbone CH3 CH3 < CH3 B- CH3- CH3 C-CH₂-CH O O C 0…

A: A= Sterol group  B= Choline C = Glycerol D = Acyl chain

Q: Consider an amino acid sequence:…

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

Q: 1. In Figure 1, add the amino group, carboxyl group, and hydrogen atom to each amino acid. Circle…

A: The structural unit of proteins that is made up of carbon, hydrogen, Oxygen and nitrogen are called…

Q: The full structure for the polypeptide found in wasp venom is shown. Identify the individual amino…

A:

Q: Which class or reactions results in the making of all macromolecules: a) dehydration synthesis of…

A: Biological macromolecules are large molecules, necessary for life, that are built from smaller…

Q: 3. Which statement(s) correctly describe this disaccharide? CH2OH CH2OH A. It's the alpha anomer,…

A: Carbohydrates are classified into different types based upon the no of carbon atoms and they are…