Protein β-sheets are most likely to be found in: a   either the interior or exterior of proteins, with no preference for one or the other. b   the exterior of proteins, exposed to the aqueous environment. c   the interior of proteins, away from the aqueous environment.

Q: Hyperthermophilic proteins are often stabilized by increasing the pressure. This means that when…

A: When a protein is formed it is a linear chain of various amino acids  linked together by various…

Q: inity of hemoglobin for oxygen varies according to the pH of the plasma. In fact, the warmer and…

A: The continuous link between hemoprotein oxygen saturation and oxygen tension is known as hemoglobin…

Q: The chain 3 subunit contains the amino acid sequence shown below. This sequence contains one alpha…

A: An alpha-helix is defined as a repetitive structure having a spiral structure. Alpha-helix is a type…

Q: Which of the following statements are correct about protein folding (select all that appy)?   A.…

A: Protein folding is the physical process by which a protein folds into its functional…

Q: Why do proteins precipitate at high salt concentrations? Although many proteins precipitate at high…

A: Proteins exist in colloidal solution due to hydration of polar groups (-COO-, -NH3+, -OH).…

Q: Protein denaturation is the disruption of a protein's secondary to quaternary structures. Protein…

A: When the proteins are exposed to some acids, base, or inorganic solvent they tend to lose their…

Q: A. What type of bond is ( the two mark wtih questions mark) B. What special amino acid side chain…

A: Proteins  Proteins are the biological compound which is formed by the process of translation. They…

Q: A protein in its native three dimensional conformation is cleaved with trypsin. According to the…

A: The correct option should be B (The protein is highly compacted, minimally accessible by solvent…

Q: Which one of the following statements comparing alpha keratin and silk fibroin is a true statement?…

A: Introduction: Alpha-keratins are proteins that form tough fibers and are found in hair, nails, and…

Q: Which of the following amino acids is most likely to be found in a beta sheet? a   Nonpolar amino…

A: Amino acids are compounds containing carbon, hydrogen, oxygen and nitrogen. They serve as monomers…

Q: Which of the following statements are correct about the native state of a protein (select all that…

A: Protein is a complex biopolymer coded by genetic codons in mRNA. They are involved in various types…

Q: You are studying a catalytic protein which contains two ion clusters, one cluster contains 2 Cu+3…

A: Proteins are the biomolecules that are building blocks of the body. Proteins are made up of amino…

Q: In cooperative proteins, there is an energetic cost to bind the first molecule. How does this…

A: Cooperative proteins, like hemoglobin, are proteins that are made up of more than one subunit. Each…

Q: The results are proteins synthesized and secreted by the B lymphocytes of our body. These proteins…

A: B-cells or B-lymphocytes are produced in the bone marrow and also mature in the bone marrow. They…

Q: Which statement best describes the protein structure shown below?

A: Proteins are a type of biomolecules that are made up of amino acids. They perform variety of…

Q: At what level of protein structure (primary, secondary, tertiary, or quaternary) will protein…

A: Proteins are large-sized heteropolymeric macromolecules having two or more polypeptide chains. They…

Q: Which of the following is NOT an example of protein secondary structure?

A: Proteins are biomolecules with amino acids as the monomer. Proteins have a three-dimensional…

Q: In extracellular proteins the amino acid Cys can interact with another Cys to form a bond sometimes…

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

Q: The first stage protein is a water soluble protein that has a tertiary structure. Which type of…

A: Protein is the linear, unbranched polymer of amino acids. Amino acids are joined together by the…

Q: Proteins treated with proteolytic enzymes hydrolyzed peptide bonds to yield a mixture of amino acids…

A: Proteolytic enzymes are a group of hydrolases that use use water to cleave the peptide bonds between…

Q: Some organisms thrive at pH 2; other organisms thrive at 65°C.  Yet mammals cannot tolerate either…

A: Protein structures are produced by the condensing of amino acids into peptide bonds. The arrangement…

Q: Which way is more common practice to characterize the strength of a binding reaction between a…

A: Answer : the more common practice to characterize the strength of a binding reaction between a…

Q: Which of the following statements are correct about the molten globular state of protein folding…

A: Proteins play an important role in the living organism. They serve as antibodies, ion channels,…

Q: H,N NH2 H,N NH, он H,N но OH

A: Protein is made up of different amino acids Joining. These amino acids are joined together by…

Q: A certain protein is exposed to high levels of β- Mercaptoethanol (BME). Even after the BME is…

A: Proteins are biomolecules formed of amino acids. There are lipoproteins and glycoproteins that have…

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: 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: 4. A particular amino acld inside or the outside of the folded protein? Briefly explain. on the

A: Amino acid in nature has the same fundamental structure. It consists of a carbon atom, the alpha (α)…

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: The amino acid residue sequence of the hemoglobin beta subunit polypeptide would represent what type…

A: Hemoglobin, the protein present in the red blood cells is responsible for the transport of gases…

Q: "To judge the biological importance of an interaction between protein A and protein B, we need to…

A: Physical interactions between two or more protein molecules that have a higher degree of specificity…

Q: A protein is likely to become a denatured when?

A: Proteins are amino acids residues joined together by peptide bonds , which form extremely complex…

Q: Which of the following might cause the denaturation of a protein? Select all that apply.     A.…

A: PROTEIN STRUCTURE:- Protein structure is a 3 D Structure which forms 4 structures: 1)PRIMARY…

Q: When an amino acid's side chain, such as aspartic acid, has a pKa, that pKa is not the same if the…

A: Proteins are the most abundant organic molecules in living systems, with the vast range of functions…

Q: Glycophorin is an integral membrane protein found on the surface of red blood cells that is…

A: Glycophorin is a single pass total alpha-helical integral membrane protein. This protein plays an…

Q: In what type of intra and intermolecular interactions does a valine within a protein backbone…

A: Hemoglobin A is composed of two α and two β-globin chains along with the heme molecule which…

Q: Would you expect the pKa to be higher or lower than 8 if the group were buried in the hydrophobic…

A: PKa value is the measure of the tendency of a group to give up a proton. PK a is actually a…

Q: Which of the following is true regarding proteins A. Absorbance of proteins is directly proportional…

A: Proteins are high molecular weight polymers of amino acid residues linked via a peptide. Proteins…

Q: Which of these amino acids is a polar, uncharged amino acid? (Select all that apply, if necessary.)…

A: Amino acids are defined as the organic compounds that have amino (-NH3) and carboxylate (-COO- )…

Q: Which of the following statements best describe(s) the mechanism by which correct protein folding…

A: Chaperonin GroEL/GroES is a molecular chaperone that facilitates folding of nascent or denatured…

Q: A. What change should disrupt the interaction between proteins 1 and 2 the most? Why? B. What…

A: Introduction: Proteins are the polymers of L-α-amino acids. Proteins plays an important role in the…

Q: Our body is compost of about 70% water which means that majority of the chemical processes happens…

A: The amino acids are classified based on the polarity as, Polar amino acids (hydrophilic)- These are…

Q: Protein A will fold into its native state only when protein B is also present in the solution.…

A: b. Protein B serves as a molecular chaperone for protein A.In this scenario, where protein A can…

Q: Amino acid sequence in a protein that can form N-glycosylation is called a glycosylation sequon.…

A: Glycosylation is the covalent addition of carbohydrates to proteins. The proteins to which specific…