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: Which of the following is the distinguishing factor of a protein? The backbone of the protein chain…

A: Proteins are macromolecules which is consist of different sequences of amino acids. Proteins are…

Q: Which of the following statements best describes the hydrophobic character of bacteriorhodopsin…

A: Bacteriorhodopsin is a light-driven proton pump that is embedded in the cell membrane. This allows…

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: Find a protein of your choice (rcsb.org), choose a part of it (containing at least 30 amino acid…

A: Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…

Q: When a polypeptide is made, which of the following parts of the monomer are NOT part of the…

A: They are the polymer of alpha-amino acids coded by triplets of bases on the mRNA. These amino acids…

Q: Which of the following is true about a peptide bond: Electron delocalization occurs between the…

A: A peptide bond is formed between the α-nitrogen atom of one amino acid and the carbonyl carbon of…

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 of the following statements is true regarding the classification of amino acids? Group of…

A: Amino acids the building block of polypeptide chain, the alpha carbon of amino acids contains -…

Q: The tertiary structure of a protein is maintained by interactions between the side chains of amino…

A: Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…

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: Which of the following amino acids would be most soluble in water? Group of answer choices glycine…

A: Amino acids are the building blocks of proteins. Hair, skin, enzymes all are proteins. Proteins may…

Q: An N-linked glycoprotein contains a glycan covalently linked to which specific amino acid in a…

A: N linked glycosylation is the process in which an oligosaccharide molecules are attached to proteins…

Q: How many peptide bonds are present in the peptide shown below?

A: By removing a water molecule from an amino group of one amino acid and a carboxyl group of the…

Q: Amino acids have the generic structure, where R represents different carbon-based side chains.…

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 peptide segment shown below is part of a right-handed alpha helix. Please indicate the…

A: Alpha helixes are regular secondary structures. The hydrogen bonding pattern of an alpha helix is,…

Q: Which of the following amino acids undergoes phosphorylation?     Histidine     Glutamic Acid…

A: Post-translational modification of proteins  refers to the covalent enzymatic modification of…

Q: In a protein chain, the amino acid within the most conformationally restricted backbone conformation…

A: Amino acids are the building blocks of proteins. An alpha-amino acid consists of central carbon…

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: Which of the following statements concerning the peptide NH3-Val-Ala-Gly-Lys-Leu-Gly-Val-Phe-…

A: The given peptide is as: NH4+-Val-Ala-Gly-Lys-Leu-Gly-Val-Phe-Tyr-Ile-COOH This polypeptide has 10…

Q: The pH vs charge graph for a triprotic amino acid is shown below. Please answer the following…

A: A. This is histidine triprotic amino aciD. It's the triprotic, with a third pKa value associated…

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: 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: 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 of the following is not true about a-amino acids? have at least 2 pka values O negatively…

A: The proteins are composed of twenty naturally occurring amino acids.  The amino acids can be…

Q: Within a polypeptide chain is the following amino acid sequence, which reads in the N terminus to C…

A: Proteins are heteropolymer that are made up of different aminoacids.   These amino acids joined…

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

A:

Q: Give two examples of amino acids that are:

A: Amino acids are organic compound with functional group namely carboxyl and amino group. Some amino…

Q: The chemical structures of the two opposing ends in any polypeptic because: O a. the structures of…

A: A polypeptide is a string of covalently bonded amino acids that has not been folded into a…

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: Choose the amino acid that is described by the given statement. Choose only one answer per item…

A: Amino acids are building blocks of proteins and proteins are building blocks of life itself. Certain…

Q: Which of the following amino acids would most likely exhibit hydrophobic interaction with…

A: Amino acids containing non polar side chains are called hydrophobic amino acids.  These include…

Q: Serine, cysteine, threonine can participate in hydrogen bonding. Valine cannot. Explain differences…

A: Alpha carbon of amino acids contains amino group, carboxyl group, hydrogen atom and side chain…

Q: From the oligopeptide below, write completely the amino acids and/or peptide fragments that resulted…

A: Complete polypeptide sequence (before digestion)   Given polypeptide contains following amino acid…

Q: 4. Below is a polypeptide with an unknown number of amino acids. On the diagram below: a. Circle…

A: Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…

Q: What type of IPF would you expect from the following R groups in a tertiary structure of a protein?…

A: The proteins are composed of twenty naturally occurring amino acids connected via peptide…

Q: Draw a polypeptide chain with the following sequence of amino acids: M-A-N-A-N-D-G-E-N-E

A: Introduction  Organic substances known as amino acids have both functional groups for amino and…

Q: Which of the following fusion of molecules establishes the backbone of an amino acid? 1. An alpha…

A: Amino Acids are monomers of long protein chains. Two amino acids are connected by the peptide bonds…

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: Choose the best response for each of the blanks in the statement below. When it is part of a…

A: Proteins are biomolecules made up of amino acids, which are joined together through peptide bonds.…

Q: 5' end Adenine 3' end OH Phosphate- deoxyribose packbone o. Guanine Cytosine- 3' end 5' end O This…

A: Deoxyribonucleic acid or DNA is a molecule made up of 2 polynucleotide chains that make up a double…

Q: Amino acids differ because they are very “R” groups. Is this a result of amino acids ability to form…

A: Amino acids are organic compounds that combine to form proteins, the building block of life. After…

Q: Amino acids with ionizable side chains are found in all groups except: negatively-charged…

A: There are four classes of biological macromolecules: proteins, nucleic acids, lipids,…