Use the following peptides to answer the questions below:  (They are in the image). Which peptide is most negatively charged at pH 7?                                                                                                        Which peptide is the most nonpolar?                                                                                                        Which peptide contains sulfur?                                                                                                        Which peptide will would be most easily detected at 280 nm?                                                                                                        Which peptide is the most positively charged at pH 5?

Q: Which of the following must be true based on the data below for ligand L binding to protein A and to…

A: Proteins are biomolecules which catalyzes most of the biochemical reactions in all living cells and…

Q: Which peptide has greater absorbance at 280 nm? Why?…

A: Beer-Lambert Law provides the mathematical relation between the fraction of the incident light…

Q: For a protein that binds multiple ligands with negative cooperativity, which of the following is…

A: The ligand binds to its target molecule

Q: What are hydrophobic interactions? What are two ways that hydrophobic interactions might impact…

A: Introduction: Large macromolecules known as proteins are composed of lengthy chains of amino acids.…

Q: What distinguishes d-amino acids from lamino acids? What biological functions do peptides containing…

A: Amino acids are organic molecules, which act as the building blocks of proteins. Amino acids are…

Q: Provide some instances of simple physiologically active peptides.

A: Biological molecules are the molecule present in the body that participate in various metabolic…

Q: At pH-4, what is the net charge of the peptide GKPAD? O+0.5 O-1.0 Oo -0.5

A: The sequence of the given peptide is as follows: Gly-Lys-Pro-Ala-Asp The amino acids are composed of…

Q: As an example, consider albumin, a protein made of a single polypeptide weighing 66,000 daltons (66…

A: Gel electrophoresis if the technique of separation of molecules on the basis of their size and…

Q: Is this the correct answer of finding what the charge is?

A: Amino acids are the smallest units that make up the peptides or proteins inside the cell. Twenty…

Q: Peptide #1:  L-I-T-V Peptide #2:  C-Q-H-R Peptide #3:  E-G-E-A   Which peptide is the most basic?…

A: Amino acids are the building blocks of protein. An amino acid contains a carboxylic acid and a-amino…

Q: How would the substituted amino acid (Cysteine) interact differently with the neighboring amino acid…

A: Cysteine is one of the few amino acids that contains sulfur. This allows cysteine to bond in a…

Q: Which of these statements about nervous tissue is not true?a. Neurons have cytoplasmic extensions…

A: Neuron forms the building block of the nervous system. It comprises cell body (soma), axon, and…

Q: What determines when an amino acid ionized? i.e. Why are both Lysine (pKa 10.53) and Argenine (pKa…

A: Amino acid are the building blocks of the protein. Each amino acid has a common basic structure with…

Q: Two proteins bind the same ligand, and the data is shown below. Select the best answer based on this…

A: A single biomolecule's 2binding affinity is the potency of the binding relationship with its ligand…

Q: The following questions refer to the peptide with a sequence of: Asp-Ser-Lys-Asn-Glu a) Would you…

A: Amino acids are biomolecules that have an amino group and a carboxyl group linked to the same carbon…

Q: One student has synthesized the following peptide: LIVGFGIA, and predicted the properties of this…

A: Amino acids are biomolecules that have an amino group and a carboxyl group linked to the same carbon…

Q: urrently, aspartic acid is forming an ionic interaction with arginine in a protein. Part a) If…

A: Proteins are the macromolecules composed of amino acids. The amino acids differ in their physical…

Q: What products are formed when each peptide is treated with trypsin? Be sure to answer all parts.

A: Trypsin is a serine protease belonging to the PA clan that hydrolyzes proteins in the digestive…

Q: a) Draw a non-covalent interaction between a water molecule and the charge on a phosphorylated…

A: Unlike covalent interactions where there is sharing of electrons between two atoms, in non-covalent…

Q: as asked to draw the structure of the amino acids serine (R group is -CH₂OH) and glycine (R group is…

A: A protein is formed when various amino acids are linked together by a peptide bond. Various amino…

Q: Are phosphate groups considered negatively charged and acidic (because the negative charge is due to…

A: Amino acids are the basic unit of proteins. There can be different types of R groups in each amino…

Q: Name the following biomolecules. In the case of peptides, alos provide 3 - letter codes.

A: a. Peptide is a short sequence of amino acid residues, which is joined by a peptide bond.  b. Lipids…

Q: You have a mixture of peptides (RE; EQ; DW; EE; KG). Which peptide will bind most strongly in a…

A: Recall that:Amino acid sequences are written with N-terminal amino acid on the left and C-terminal…

Q: Form DIANINE name using the one-letter symbol and draw it as a peptide chain. Name the peptide as…

A: The given peptide has seven amino acids. The individual amino acids in a peptide are joined by the…

Q: Imagine that you were asked to denature a protein; you know you can do so using urea.  Your protein…

A: Denaturation is the process by which a protein looses it native structure, to the level that protein…

Q: What is the percent ionization of these amino acids? 1. Aspartame at pH 5.4 2. Glutamate at pH 11.8…

A: Since we are entitled to answer up to 3 sub-parts, we’ll answer the first 3 as you have not…

Q: Your vaccine will be administered as a topical cream, and you require your peptide to have an…

A: A topical drug is one that is applied to a specific area of the body or to a specific organ. Topical…

Q: What is the first thing that must occur in order for the catalysis of the peptide bond to begin.…

A: Macromolecules are large organic molecules composed of thousands of covalently connected atoms and…

Q: What is the isoelectric point of the following peptide molecule?…

A: The pH at which a specific molecule carries no net electrical charge is known as the isoelectric…

Q: Questions 1) Determine the single letter code 40 amino acid sequence of the venom peptide by…

A: Chymotrypsin (endopeptidase) hydrolyzes peptide bonds on the C-terminus of a peptide bond of an…

Q: Leu-Glu-Glu-Val-Phe-Ser-Gln-Leu-Cys-Thr-His-Val-Glu-Thr-Leu-Lys a) Circle all of the hydrophilic…

A: Answers to a) and b)Hydrophilic amino acid residues are circled and hydrophobic amino acid residues…