15. This dipeptide is designated as: 0 O H3N-CH-CNH-CH-C-o CH2 CH2 OH SH a. Ser-Lys b. Ser-Cys c. Cys-Ser d. Lys-Ser

Q: How long is an a-helix that contains 74 amino acids? a. How long is a fully extended peptide chain…

A: An alpha helix is a common shape of an amino acid which is formed by amino acids chain linked…

Q: 5. Draw the structure of guanine and cytosine correctly indicating the hydrogen onding between them.

A:

Q: Identify the amino acids that form the polypeptide in Figure нно н но нно нно IIII IIII I II | H-C-H…

A: Combination of different amino acids through peptide bonds to form   polypeptide.

Q: Draw the structure of each dipeptide: (a) Gly–Phe; (b) Gln–Ile; (c) Leu–Cys

A: Amino acids are individual units that bond together to form a protein molecule. Different protein…

Q: Identify the individual amino acids used to form the following tripeptide. What is the name of the…

A: In organic chemistry, the compounds are combined to form protein and that is called an amino acid.…

Q: 17. Proteins are long chains of amino acids joined together by peptide bonds. Which structure…

A:

Q: How many grams of sucrose (C12H22011, 342.3 g/moi) woutu be heedeu tomake Z.JLUI aSOlution wIT…

A: Osmotic pressure = MRT where M = molarity of solute  R = gas constant (0.081Latm/mol.K) T =…

Q: 7. The following compound is a(n) HyÑ-ÇHC-N-CHC-H-CHể-o || H3N-CHC-N-CHC-N-CHO-O СНCHЗ CHз ČH3 CH2…

A: Amino acids are the carboxylic acids having an amino group. Peptides are short chain  of amino acids…

Q: Of the 20 protein-derived amino acids shown in Table 27.1, which contain Q.) two chiral centers

A:

Q: 40.) A protein with quaternary structure described as aBy would be a C) homodimer A) heterotrimer B)…

A: A protein with quaternary structure with alpha-beta gama has to be given,

Q: 24. What is denaturation of protein? What are the types of this? What factors (agents) cause the…

A:

Q: Which of the structures below corresponds to the dipeptide cysteylananine? The parentamino acids are…

A: We have to predict the dipeptide structure.

Q: which has the strongest IMF at coom termperatare? 0.) Brall) b.) la6s) C.)Falql

A: All the given species are non polar. In such species strength of intermolecular forces of attraction…

Q: 31. What is the particular sequence of amino acids of a protein that are joined together by peptide…

A:

Q: What is the structure of the dipeptide Ser-Gly? A) HN C-N %3D B) H,N- CH,OH H. C) II.N-C- CN-C-C…

A:

Q: Draw the product when the attached tripeptide is treated with eachreagent.

A: This given reagent is Fmoc-Cl and it is a good protecting group for terminal amino group.  You can…

Q: Estimate the isoelectric point of a Ser–His dipeptide. Explain why this value is only an estimate.

A: The ionizable group of serine at neutral pH is an amino group and its ionization constant is pK2 =…

Q: Draw the structure of the following tripeptide as it will occur at pH 7 N-Lys, Val , Glu-C

A: The peptide  contains amino acids lysine valine glutamic acid

Q: 43. Specify expressions specific to panaxosides. I. taken from ginseng II. there are glucose and…

A: Panaxosides or Ginsenosides are a class of natural product steroid glycosides and triterpene…

Q: 26. Almost all proteins are composed from a set of about amino acids. 20 d. 50 a. 4 27. a. 5 b. 10…

A: 1. Almost all proteins are composed from a set of about  20  amino acids. 2. 10 amino acids are…

Q: An opioid pentapeptide has the following structure: Tyr-Cys-Gly-Phe-Cys a. Draw the structure of the…

A: a. Peptide bonds are amide bonds, in which carbonyl group of one amino acid bonded to amino group of…

Q: a. Draw the structure of the tripeptide A–A–A, and label the two ionizable functional groups. b.…

A: (a) The one word abbreviation used for amino acid Alanine is A. The chiral carbon atom in alanine is…

Q: Draw the tripeptide His-Leu-Cys O || H₂N-CHC-OH CH₂ SH cystine O H₂N-CHC-OH CH₂ N -NH histidine…

A: We have to draw the structure of tripeptide His-Leu-Cys

Q: Some proteins owe their functions to the three dimensional shape they have; what contributes to…

A: using basics of 3D structure of protein.

Q: Answer the questions regarding the tripeptide shown. HN-CH- -C- -N-CH-C- -N-CH-C-0" CH CH H,C CHOH…

A: Amino acid are compound which have amine and COOH group Here We are required to find the N terminal…

Q: (üi) -CH2 O Nucleotide base 80% aqueous →? ACOH 20 °C LOH NaOH (üi) →? (MeO)2SO2 (iv) NaOMe →? Ph

A: Hydrolysis of ether to give an acohols (MeO)2SO2 is used for methylating agent Cyclolactone cleave…

Q: Which type of poly-glucose (A or B) can potentially form a helix and which can potentially form a…

A: Poly-glucose is a mild co-surfactant derived from glucose and coconut oil.

Q: At what pH is the net charge of the tripeptide RGE equal -1.7 O pH = 12.9 O pH = 11.2 %3D O pH = 9.3…

A: We have the tripeptide RGE Number of residue = 3 3-Letter code: Arg-Gly-Glu Isoelecttric point =…

Q: Hello , we are learning amino acids and proteins. Our professor did not cover how to name peptides…

A: An Amino acid has a basic structure in which central carbon called as alpha carbon bonded with an…

Q: ESTION 20 If 34% of the nucleotides in a sample of DNA contain the base cytosine (C), what is the…

A:

Q: 8. Give the complete equation of the acid hydrolysis of cys-pro-trp. Write out the structures of the…

A:

Q: How many ionized amino groups will be found in the tripeptide Ser-Ala-Lys at pf 7? 00 02 03 04 OOOOO

A: pH = 7 refers to the neutral pH. The pH at which the amino acid exists as zwitter ion in solution is…

Q: 7. Select the amino acid that is achiral SH HO OH HO HN HN HN HN A B

A:

Q: 17. H,N-CH-C-NH-CH, -COOH À BC D Ė Where is the peptide linkage in the dipeptide above? a. A Ob. B…

A: A peptide bond is a chemical bond formed between two molecules when the carboxyl group of one…

Q: A circular double-stranded DNA molecule contains 4200 base pairs. In solu- tion the molecule is in a…

A: Given: The given molecular is DNA Number of base pairs=4200 Number of pairs in B-form helix= 10.5…

Q: Explain the following terms :(i) Invert sugar(ii) Polypeptides

A: Chemical compounds that contain carbon, hydrogen and oxygen atoms where there is a 2:1 ratio of…

Q: Given tripeptide Gota-Thr- Ser Gloutate the pl for given tri Pentide.

A:

Q: 9. The structural formula of several amino acids are shown below. Amino acid Glycine (Gly)…

A: Dipeptide or tripeptide  formed by combining two or three amino acids by removing water.

Q: 60. Draw structures from notations or notations from structures, for the following dipeptides. Look…

A:

Q: "Write out the 1° structure for the following polypeptide: 0 0 11 1 CH₂…

A: The linear sequence of amino acids of a polypeptide is called as primary structure of the protein.…

Q: How many different tetrapeptides can be made under the following conditions? Q.) The tetrapeptide…

A: Number of tetrapeptides can be made under the following conditions to be discussed.

Q: 4. Draw dipeptide MS

A: Amino acids are building blocks (monomers) of proteins. The amino acid contains the amine and…

Q: If the Dipeptide Experiment was run--without step 1, no acetylation--using the amino acids Valine…

A:

Q: (iii)How many different trinucleotide can be formed by combining the nucleotide bases ATG? Each…

A: Trinucleotide means it must contain 3 nucleotide. There are 3 things available for 3 position. So,…

Q: Which structure is NOT present in DNA? A B D E NH2 NH2 H3C. N-A NH2 Structure I is an example of но…

A: We have to identify which of the following given structure is not present in DNA as follows in step…

Q: H₂N-CH- H A tripeptide consisting of valine, alanine, and glycine is shown here. Identify the…

A:

Q: 28.) The purine with the fewest oxygen atoms always base pairs with B) guanine in RNA. A) adenosine…

A: The purine with the fewest oxygen atoms always base pairs with URACIL in RNA Option "E" is correct