Which of the following pairs of amino acids can have intermolecular hydrogen bonding between the functional groups in their side chains? Select all that apply.    phenylalanine and tyrosine    two tyrosine residues    serine and threonine    alanine and threonine

Q: On a sheet of paper , sketch a picture of a dehydration synthesis reaction between two amino acids.…

A: INTRODUCTION Dehydration SynthesisDehydration reactions are quite useful both biologically and…

Q: What two chemical groups are involved in the formation of a peptide bond?

A: The bond that holds together the two amino acids is a peptide bond.

Q: oxytocin

A: Answer: Oxytocine is a peptide of nine amino acid.

Q: which of the following statements is correct regarding the affect of pH on the ionization of R…

A: Amino acids are the monomeric unit of proteins. Amino acids have same basic structure with varying…

Q: Which component(s) participate in bonds that form the tertiary structure of a protein? Select all…

A: Proteins are polymers of amino acids. The amino acids are connected by a peptide bond. Primary,…

Q: for the following amino acids below circle the r groups then tell me if they are polar or nonpolar

A: Contain polar side chains.Interact well with water due to the presence of polar groups like hydroxyl…

Q: An amino acid backbone is given. Add the side chain to show proline at physiological pH. (Note: Do…

A:

Q: Which of the following is true of sphingolipids?     They always contain glycerol and fatty acids.…

A: Sphingolipids are a complex class of lipids which has a backbone made up of aliphatic amino alcohol…

Q: Drag each of the following items into the corresponding boxes to indicate the protein structural…

A: Protein is a three dimensional structure formed by amino acids that polymerizes to form a…

Q: The dihedral or torsion angles of polypeptide backbone, the allowed values of which are summarized…

A: According to the Ramachandran plot, the torsion angles of the peptide backbone consist of phi (ϕ)…

Q: Draw the peptide ASK(ala-ser-lysine) with proper stereochemistry? what is its pI(isoelectric…

A: Given peptide is ASK( alanine- serine- lysine).The peptide is planar due to the partial double bond…

Q: Which amino acid is the simplest with an H atom as the R-group? serine glycine proline tyrosine

A: Glycine is an amino acid that has a solitary hydrogen atom as its side chain. It is the least…

Q: The following reaction scheme shows the states of the amino acid hisitdine. Histidine has three…

A: Histidine is an amino acid that is used for the purpose of protein biosynthesis. It comprises an…

Q: Select the incorrect statement(s). CH₂ OH NH, O CH₂ Polypeptide backbone A C CH₂ CH₂ CH CH3 CH3 CH3…

A: Introduction  Protein structure refers to the specific three-dimensional arrangement of amino acids…

Q: We are consuming a lot of polymers in our foods and only some monomers. The polymers we ingest must…

A: Introduction: The mechanism by which the ingested complex food substances are broken down by…

Q: Consider the structure of the amino acid L-alanine. Which functional groups are common to all amino…

A: All amino acids consist of four moieties - one hydrogen atom (H), one carboxyl group (COOH), one…

Q: The disulfide bonds that make up the tertiary structure of proteins are stabilized by hydrogen…

A: There are four structural levels in proteins: 1. Primary structure 2. Secondary structure 3.…

Q: Which amino acids would you expect to find marked on the alpha helix? Alanine Isoleucine Leucine…

A: A prevalent motif in the secondary structure of proteins, the alpha helix (-helix) is a right-hand…

Q: Which of the following most directly applies to the formation of the secondary structures of…

A:

Q: Which amino acid is NOT associated with the oligopeptide given by the shorthand notation GRFAV?…

A: Biological macromolecules are those large molecules that are necessary for the survival and growth…

Q: Identify the general features of an amino acid. H + H amino group Which part is responsible for the…

A: Organic substances with both amino and carboxylic acid functional groups are called amino acids.…

Q: Within a naturally-occurring polypeptide, under neutral pH conditions (pH = 7.0), which of the…

A: According to central dogma, the final synthesis in the body is from the RNA to protein. As the…

Q: What is the advantage of having an amino acid that’s hydrophobic? Please explain using an example.

A: Amino acids - are building blocks of proteins and alpha carbon of amino acids contains amine group,…

Q: Which of the following amino acids can interact via ionic/electrostatic interactions with lysine at…

A: The amino acids contain different side chains or functional group (R group) that may be uncharged or…

Q: List the name of two amino acids that belong to each of these type of amino acids: Nonpolar…

A: Nonpolar (hydrophobic): As these amino acids do not have polarity at their ends makes them away from…

Q: Which of the amino acids will nearly always be found buried in the center of proteins? valine…

A: Proteins are the polymers of amino acids linked by the peptide bond (CO-NH). There are 20 common…

Q: In the peptide shown below, a covalent bond that could rotate to form secondary structure is…

A: There are two types of secondary structures are which are found in protein: alpha helix and beta…

Q: Create an oligopeptide via dehydration synthesis using the following amino acids trp and gly

A: Answer: Oligopeptide : This is the chain of amino acids (two to twenty) that are attached by the…