9. List down the different fragments that would result if dynorphin were cleaved by trypsin. 10. How does chymotrypsin catalyze the hydrolysis of peptides? You can answer this question by identifying the amino acids involved and whether the hydrolysis is at their amino side or the carboxyl side or if particular amino acids end up at the N-teminal end or at the C- terminal end. 11. List down the different fragments that would result if dynorphin were cleaved by chymotrypsin.
Q: 8. Predict the effect of each of the following environmental changes on the pKa of a glutamate side…
A: The proteins are made of twenty naturally occurring amino acids. Alpha carbon of amino acids consist…
Q: u ivercarbUIT sugar, a phosphate group, and à nitrogenous base. 35.Most antimicrobial drugs…
A: The correct answer is (e) no level of protein structure will be disrupted. Azithromycin is an…
Q: Draw the peptide chain (indicate if it is solid or hatched wedges) for the following and compute for…
A: Polypeptide molecules are composed of a sequence of amino acids where an amino group of each amino…
Q: 8 What are the three components of anucleotide?
A: Nucleosides are a combination of a nitrogen base with pentose sugar. The nitrogen base combines with…
Q: 7. A proteolytic enzyme has the following action:
A: Proteolytic enzymes are also known as proteases. Body has various proteolytic enzymes like pepsin,…
Q: (b) r , The following polypeptide sequence has three alpha helices and two B turns. Based on what we…
A: An amino group and an acid group-containing organic molecules are called Amino acids.…
Q: 4. a. Draw the structure of the dipeptide Valine-Serine at its isoelectric point. The side chain for…
A: Amino acids are building block of protein and peptides. There are 20 naturally occurring amino acid,…
Q: 5) List the names of the 5 different base pairs and their letter code. Identify if they are…
A: A base pair is a fundamental unit of double-stranded nucleic acids consisting of two nucleobases…
Q: 3. A mutation that changes an alanine residue in the interior of a protein to a valine is found to…
A: Proteins are composed of twenty standard amino acids that differ from each other in their side-chain…
Q: Please answer letters A-E
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: 7. a) Draw a model complex structure for vitamin B12 and give a name to the complex. b) Define the…
A: Micronutrients are defined as the type of nutrients that are needed for the body in less amount. The…
Q: Please answer A-E.
A: a) The sequence of endorphin:YGGFMTSEKSQTPLVT corresponds…
Q: 6. Please describe the events that may result in a mature protein not having methionine as the…
A: DNA is the carrier for genetic information in almost all organisms except certain RNA viruses. DNA…
Q: 4. Draw the bond-line structure of the peptide that corresponds with the following sequence of amino…
A: Polypeptides are the long chain of the monomer units of amino acids, which are joined by peptide…
Q: A certain polypeptide was treated with trypsin and yielded the following Fragments: Leu-Glu…
A: A peptide link, or a chemical bond between two molecules, keeps the two amino acids together (in…
Q: 10. (a) Provide the scheme of Merrifield peptide synthesis with suitable example. (b) Describe the…
A: Amino acids are biomolecules that are comprised of two functional groups, these are an amino group…
Q: 6. Peptide bonds link many amino acids into chains of subunits that make polypeptides, or proteins.…
A: Peptide bond Peptide bond is a type of covalent bond present in between two molecules of amino…
Q: 10. Which of the following is a purely ketogenic amino acid? A. Tyrosine B. Leucine
A: Ketogenic amino acids are the amino acids that can be converted directly to acetyl CoA, which is…
Q: 1. The antibiotics puromycin and erythromycin are known inhibitors of protein synthesis. (a)…
A: Puromycin - It ia an aminonucleoside antibiotics which occurs naturally and it inhibits the…
Q: Please describe the events that may result in a mature protein not having methionine as the…
A: Translation process of formation of a sequence of amino acid using messenger RNA as a template.
Q: Select the amino acids that are most likely to participate in hydrophobic interations. SELECT ALL…
A: Hi, Thanks For Your Question. Answer : Correct Options Are A, And B (Valine, Leuicine).
Q: Some point mutations cause a change in amino acid sequence but nonetheless may have little to no…
A: option f is correct . This is because each group of amino acid belong to same category means . If…
Q: 1. Using the table of the genetic code, determine the sequence of amino acids. 2. If mutation occurs…
A: Codons are triplets of nucleotides in the mRNA sequence, which is read by the ribosomes in order to…
Q: 8. A peptide hormone consists of nine amino acids in this sequence: arg-pro-pro-gly-phe-…
A: In this question, we are given a peptide sequence which is arg-pro-pro-gly-phe-ser-pro-phe-arg. We…
Q: 7. Give all the possible Anti-codons for the amino acids listed below. Histidine (His) Isoleucine…
A: Codons is a sequence of three nucleotides that corresponds with a specific amino acid or stop signal…
Q: Use the info of this molecule as well as the attached addendum to demonstrate the flow of genetic…
A: DISCLAIMER: Since you have asked multiple questions, we have solved the first question for you. If…
Q: 1) What is/are the major chemical/functional group modifications on these carbohydrates…
A: Glycosaminoglycans (GAGs) are important carbohydrates for the development and Maintainance of…
Q: 9) Draw the structure of arginine. 10) In the drawing above, complete the reaction to show the…
A: Amino acids are biomolecules that contain two functional groups, these are amino (-NH2) group and…
Q: List some important types of molecular interactions involved in recognition and binding of…
A: Polysaccharides, also called as glycan are the abundant carbohydrates found in food. They are…
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: 1. How many different tripeptides are possible? How many carboxyl terminals of polypeptide chains…
A: Tripeptides are composed of three amino acids. There are 20 naturally occurring amino acids . A…
Q: 3) The following is the amino acid sequence of bradykinin, a peptide released by certain organisms…
A: P
Q: 2. A group of peptides that influence nerve transmission in certain parts of the brain have been…
A: Peptide sequence can be analysed by treating the peptide with different cleavage points. Point of…
Q: 4) A polypeptide is subjected to the following digestion procedures and the fragments were…
A: Protein sequencing is an important aspect in the field of proteomics and molecular biology which…
Q: In tabular form explain the specific functions of different of amino acid and how they are acquired…
A: Amino acids are organic compounds that contain amine (–NH2) and carboxyl (–COOH) functional groups,…
Q: O The unknown sample contains tyrosine and tryptophan residues O The unknown sample only contains…
A: Enzymes are biocatalyst that increases the speed of reaction by lowering the activation…
Q: 18. A polypeptide with 9 amino acids *Edman degradation gives- Ala *Carboxypeptidase gives- Pro…
A: Hello. Since you have posted multiple questions, we will solve the first question for you. If you…
Q: In the laboratory a team of peptide/protein chemists synthesize the HIV-1 protease from all…
A: According to the mirror symmetry, the corresponding D-peptide, as the enantiomer of that specific…
Q: 1. A) Explain this statement, “Most enzymes are gene-encoded proteins, but most enzymes are not only…
A: Enzymes are the catalysts, which are composed of proteins. They help in enzyme catalysis, in which…
Q: What are congenital disorders of glycosylation (CDGs)?
A: Congenital disorders of glycosylation is a broad term used for rare genetic and metabolic disorders…
Q: 30 A DNA sequence encoding a five-amino acid polypeptide is given below.…
A: Protein molecules are those molecules that are made up of chains amino acids in a specific order.…
Q: 5. Refer to Model 2 for information relevant to this question. A sample of the peptide Lys net…
A: Amino acids are organic compound having two functional group namely carboxyl and amino group. Some…
Q: 1. You are working in a bioengineering lab, and you are asked to create a peptide with a helix with…
A: The arrangement of amino acids in polypeptide such that it gives rise to recurring structural…
Q: 9. Identify the N-terminal and C-terminal amino acid in each peptide. H,N-CH-Ö-Ņ-CH–Ö-o CH2 H CH3…
A: Amino acids are the organic molecule which are linked to form a protein. Each amino acid comprise of…
Q: 2. Explain the following statements about the peptide bond- (a) Peptide bon is rigid and planer, (b)…
A: A peptide bond is a chemical bond that is formed by joining the carboxyl group of one amino acid to…
Q: 1) what is the net charge of the amino acid leucine of it is on the C-terminus end and why? 2) if…
A: Proteins are among the most numerous organic molecules in biological systems, and their structure…
Q: What is an amino acid that has aromatic heterocyclic side chain?
A: Amino acids are monomers of protein they are linked with each other by forming peptide…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- 1. What are congenital disorders of glycosylation (CDGs)?2. In tabular form explain the specific functions of different of amino acid and how they are acquired in human body.1. Draw three-dimensional representations of the following amino acids. Explain theirstructures.(a) L-phenylalanine(b) L-histidine(c) D-serine(d) L-tryptophan
- 6 List some important types of molecular interactions involved in recognition and binding of polysaccharides and glycoconjugates.2. A mixture of the following amino acids (glu, leu, val, arg, ser, phe) was obtained upon complete hydrolysis of a hexapeptide. a. Edman’s reagent releases leucine b. Hexapeptide with carboxypeptidase releases serine. c. Hexapeptide with trypsin forms a tripeptide A with leucine at the N terminal and tripeptide B with valine at the N terminal. d. Tripeptide A with carboxypeptidase releases arginine and a dipeptide with glutamic acid at C terminal. e. Tripeptide B with chymotrypsin form releases serine and another dipeptide. Give: 1. the amino acid sequence of tripeptide A and B. 2. the amino acid sequence in the above hexapeptide.2. A group of peptides that influence nerve transmission in certain parts of the brain have been isolated from normal brain tissue. These peptides are known as opioids. Using the information below, determine the amino acid sequence of this particular opioid: ● Complete hydrolysis by HCl at 100° C followed by amino acid hydrolysis analysis indicated the presence of Gly, Leu, Phe, and Tyr, in a 2:1:1:1 ratio. ● Treatment of the peptide with FNDB followed by complete hydrolysis indicated the presence of 2,2-dinitrophenyl derivative of tyrosine. No free tyrosine could be found. ● Complete digestion of the peptide with chymotrypsin yielded free tyrosine and leucine, plus a tripeptide containing Phe and Gly in a 1:2 ratio. Instructions Make use of the table below to determine the sequence of the mystery protein:
- 2.Draw the structures of the amino acids tyrosine and aspartic acid6. Please describe the events that may result in a mature protein not having methionine asthe N-terminal amino acid.24. The sidechain of the amino acid serine is -CH2-OH. Serine is classified as this type of amino acid (side chain): a) hydrophobic and nonpolar b) hydrophilic and polar c) acidic d) basic
- 1. The figure above shows some of the more common modifications, such as phosphorylation (1), acetylation or methylation (2), adding sugars or lipids (3,4), or adding another polypeptide (5). There are many other possibilities as well.Find and label each of these on the diagram. How might these modifications affect the protein?6. Which amino acid would most likely be found on the surface of a protein molecule at physiological pH? a. Isoleucine b. Lysine c. Alanine d. Proline 7. Which of the following statements about terpenes is NOT true? a. They are a type of terpenoid. b. They all contain double bonds. c. They are all made up of 5-carbon units. d. They all contain oxygen. 8. How are the plasma membranes of mammalian and bacterial cells similar? a. They typically contain cholesterol. b. They have negatively charged lipids on their surfaces. c. They contain lipids that are involved in signal transduction. d. They are made up of many different types of phospholipids.1. A certain polypeptide was treated with trypsin and yielded the following Fragments: Leu-Glu Gly-Tyr-Asn-Arg Gln-Ala-Phe-Val-Lys The same polypeptide was treated with chymotrypsin and yielded the following fragments: Gln-Ala-Phe Asn-Arg-Leu-Glu Val-Lys-Gly-Tyr What is the amino acid sequence of this polypeptide? Instructions Make use of the table below to determine the sequence of the mystery protein.