What is the pH value where the protein molecule carries no electrical charge? a. isoelectric b. isopropyl c. isoleucine d. isomers
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What is the pH value where the protein molecule carries no electrical charge?
a. isoelectric
b. isopropyl
c. isoleucine
d. isomers
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- Describe the four levels of protein structure. How do a proteins side groups influence its interactions with other substances? What happens when a protein is denatured?Biological activity of proteins is dependent on which? A. peptide bonds B. thermodynamic properties C. an aqueous environment D. protein conformationDescribe the levels of structure of a protein and tell how they would be affected by: a. Hydrolysis with 6M HCl (breaks peptide bond)b. Heating with mercaptoethanol (breaks hydrogen bonds)
- What is the building block of proteins?* A. Carboxylic acid B. Amino acid C. Hydrochloric acid D. Fatty acid E. None of the given optionsChoose the best answer for following question Which of the following is formed by the linking of two amino acids?a. a peptide bondb. a functional groupc. quaternary structured. an ionic bondWhich of these are considered “part” of each amino acid? A. Carboxyl acid group B. All of the options are correct C. R Group D. Amino group
- What type of bonding is present in the primary structure of proteins? A. peptide bond B. hydrogen bond C. ionic bond D. more than one choice is correctWhat determines the characteristics of an amino acid? Group of answer choices the identity of its side chain its molecular weight both a and b neither a nor bWhich of the following statement about quaternary structure of protein is correct? Select one: a. Quaternary structure is a force between different polypeptides. b. Hydrogen bond is an only force found in quaternary structure. c. Quaternary structure contains one polypeptide. d. Quaternary structure is an unfolded form of protein.
- Which level(s) of protein structure result(s) from non-covalent interactions involving both backbone groups and side chains? (Select all that apply!) a) Primary b) Secondary c) Tertiary d) QuaternaryPeptide bonding between amino acids in a polypeptide is an example of which type of chemical bonding? a) electrostatic b) covalent c) ionic d) hydrogendraw a model of a protein Include a brief description of your protein - what protein is it? what details can you share about this protein (for example, a description of it's shape, how big it is (either in kilodaltons or number of amino acids), what is its function)
