N-linked oligosaccharides can be covalently linked to proteins at which amino acid?   a.  Gly  b.  Ser  c.  Glu d. Tyr e. Asn

Q: The amino acid arginine has the following forms: H3Arg pK1=1.82 H2Arg* pK2=8.99 HArg pK3=12.1 Arg…

A: Amino acids Proteins are the polymers of nitrogenous compounds called amino acids. Each amino acid…

Q: Which component of an amino acid confers its uniqueness with respect to other amino acids? In other…

A: Introduction  The chemical substances known as amino acids are what make up proteins. They are made…

Q: Which of the following statements about chaperones is FALSE? a.   Chaperones prevent incorrect…

A: Proteins mostly get folded into their native states spontaneously. Some proteins require assistance…

Q: Which of the following families:amino acid classifications is/are correct? a.aromatic:Met…

A: Amino acids are biomolecules that have an amino group a carboxyl group and a side group attached to…

Q: which is true when speaking about the secondary structure of a protein A. invoves R group binding

A: Proteins are the final end products of the decoding process that starts with the DNA of the cell.…

Q: Draw each amino acid in its dipolar ion form. a. Thr b. Ala c. Leu d. Lys

A: Introduction: Amino acids are organic compounds of amino (–NH2) and carboxyl (–COOH) functional…

Q: Which of the following will form an osazone crystal?*   A. Galactose only B. Mannose only C. Sucrose…

A: The Osazone test or phenyl hydrazine test is chemical reaction used to detect reducing sugars and…

Q: Which of the following is incorrect? Oa. Asp and Glu are basic amino acids Ob. Asp and Glu are (-)…

A: Basic amino acids are those amino acids that have positively charged side chains (are basic amino…

Q: You are treating your bacteria with an antibiotic that binds to the D-ala-D-ala stucture of the…

A: Antibiotics kill or inhibit the growth of bacteria. They function by focusing on specific components…

Q: What are some differences between the followingpairs? a. secondary and tertiary proteinstructures…

A: Proteins are composed of amino acids attached in a linear form through peptide bonds. Twenty…

Q: The difference between a polypeptide and a protein is a. that proteins are polypeptides folded up…

A: Polypeptide: It is the chain of amino acids linked by peptide bonds; the amino acid are joined by a…

Q: Milk forms cottage cheese when:  a. the triglycerides in milk are lyophilized to fatty acids and…

A: Cheese was first introduced as a way of preserving the nutrients of milk. It is the fresh product…

Q: The phosphorylated 5-carbon monosaccharide required for nucleotide synthesis is: ,a. Ribulose 1,…

A: Nucleotide synthesis takes place in the cytosol of the liver. The first committed step for…

Q: The pKa of the Histidine side chain is 6.0. When Histidine is dissolved in a buffer with pH 5.0, the…

A: A molecule's level of acidity is indicated by the pKa value. A proton's grip on a Bronsted acid is…

Q: Identify the components that are consistent between all 20 amino acids in the body. SELECT ALL THAT…

A: An amino acid is composed of basic amino NH2 group, acidic carboxyl COOH group and have side chain R…

Q: The net charge of the dipeptide GD at pH 8.0 is: (pKa ‘s amino terminal is 10, pKa carboxy…

A: Proteins are the building blocks of the body. They are biomacromolecules composed of one or more…

Q: Which of the following describes lactose? A. A nonreducing disaccharide containing glucose and…

A: Lactose is a disaccharide derived from the condensation of galactose and glucose with the molecular…

Q: At the center of all 20 standard amino acids is what is termed the a-carbon that is covalently…

A: Proteins are made up of amino acids and each amino acid has different functional group (R- group).…

Q: When a protein is folded in aqueous solution, some residues are driven inside to form a “hydrophobic…

A: Introduction Proteins are the most abundant macromolecule present in our body. Proteins performs…

Q: Asparagine belongs to amino acid that are classified as

A: Amino acids are essential organic compounds in nature. They comprise of amino group and an…

Q: Define the following terms:a. adductb. galactosemiac. cellobiosed. glycane. chitin

A: Introduction: A carbohydrate is a major macromolecule in the body that has carbon(C), hydrogen(H)…

Q: oxidized

A: e .tertiary ,oxidized  The formation of disulfide bridges by oxidation of the sulfydryl groups on…

Q: The level of protein structure that describes all aspects of the three-dimensional folding of a…

A: A protein can be arranged into different level of structure. These structures involve different…

Q: Conjugated proteins which are a combination of amino acids and carbohydrates O A. nucleoproteins OB.…

A: Based on the composition, proteins are of two types, simple and conjugated proteins. The simple…

Q: Consider the amino acids lysine, valine, and aspartic acid in an enzyme. Which of these amino acids…

A: Lysine is a basic or positively charged side chain containing amino acid. Valine is a non-polar side…

Q: Which of the following sets corresponds to polar charged amino acids? a. Ser, His, Thr b. Met, Ile,…

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

Q: hoose the reagents that help unfold the protein molecules into same shape and charge density.   a.…

A: Proteins are the linear chain of amino acid sequences attached through peptide bonds. Proteins are…

Q: Which of the following statements about this structure is TRUE? a. It contains a phosphoester bond…

A: Introduction The structure is an informational macromolecule consists of a ribose sugar to which…

Q: 1. Classify the 20 common amino acids B. According to Polarity d. Uncharged nonpolar e. Uncharged…

A: Living body consists of numerous different amino acids amongst which only 20 are standard amino…

Q: NaCl (a salt) can disrupt protein structure. This is true because a protein containing the amino…

A: Glutamic acid is an amino acid that is used in the formation of proteins. It is converted to…

Q: The amino acids in proteins are classified based on how they interact within the biological system.…

A: Amino acids are biomolecules that contain 4 groups- a carboxylic group, an amino group, a hydrogen…

Q: When the amino acid sequence of Hb and Mb is compared, some of them are found to be the same…

A: Hemoglobin and myoglobin are oxygen binding proteins. Hemoglobin helps to carry oxygen from lungs to…

Q: Which of the following is an example of protein denaturation? *       A. Amino acids fold into…

A: The proteins are folded into their three dimensional structure via four levels of organizations :…

Q: select the correct option  molecular chaperone protein function by a.Mediating disulfide bond…

A: Introduction: Protein refers to a highly complex substance of great nutritional value. It is present…

Q: amino acids can be polar neutral, polar folded protein in the aquEous cellular environment, is…

A: The four non-covalent interactions that stabilize the structure of a protein are: hydrophobic…

Q: Which of the following is incorrect? a. The overall shape of an entire polypeptide including all its…

A: Proteins are polypeptides or polymers of amino acids. Amino acids are the building blocks of the…

Q: Large globular proteins frequently are comprised of two or more recognizable structures that often…

A: The answer is b. domains. Large globular proteins are often composed of two or more distinct,…

Q: Keratin is a type of found in the cytosol, which means its hydrophobic amino acids are Select one:…

A: Keratin is a type of protein that is also known as scleroprotein. This protein is present in hairs.…

Q: titration of which amino acid is most likely responsible for switching a protein from binding to a…

A: An ion exchange resin is a polymer that acts as a medium for ions exchange. They may be cation…

Q: The side chain of which residue can be hydrogen bond donor:   a. Thr b. Ala c. Ile d. Pro e.…

A: There are twenty standard amino acids that makeup all the proteins present in our body. These twenty…

Q: A IC B

A: Introduction Nuclear Overhauser Enhancement Spectroscopy (NOESY) is a technique that graphically…

Q: Side chains of which two amino acids may participate in peptide bonding? A. Alanine and Glycine B.…

A: Peptides and polypeptides are linear and unbranched polymers of amino acids linked together by…

Q: Which of the following is incorrect? Oa. None; all the other choices are correct O b. Disulfide…

A: Disulfide bonds are the bonds that are formed between two sulfhydryl groups. It is a covalent bond…

Q: Which of the following amino acids has a negatively charged atom in its side chain at pH 7.2? a. V…

A: Amino acids are biomolecules that have an amino group, a carboxyl group and a side group linked to…

Q: Peptide bond formation occurs between which functional groups? SELECT ALL THAT APPLY   A. Amino…

A: A protein is a polymeric macromolecule which is formed by linking together of many monomeric units…

Q: How does the coplanar nature of the peptide bond impact the overall structure of D O a. a. It…

A: A peptide bond is an amide type of covalent bond linking two consecutive alpha-amino acids as shown…