When a small, globular protein unfolds, which of the following are true? Choice 1 of 6:the temperature must increase Choice 2 of 6:the entropy of the peptide backbone increases Choice 3 of 6:the entropy of the solvent waters increases Choice 4 of 6:H bonds between peptide backbone atoms must break Choice 5 of 6:new attractive interactions form between water and side chains Choice 6 of 6:a detergent molecule must be added

When a small, globular protein unfolds, which of the following are true? Choice 1 of 6:the temperature must increase Choice 2 of 6:the entropy of the peptide backbone increases Choice 3 of 6:the entropy of the solvent waters increases Choice 4 of 6:H bonds between peptide backbone atoms must break Choice 5 of 6:new attractive interactions form between water and side chains Choice 6 of 6:a detergent molecule must be added

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter3: The Chemistry Of Life: Organic Compounds

Section: Chapter Questions

Problem 9TYU: Which of the following levels of protein structure may be affected by hydrogen bonding? (a) primary...

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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?
When a small, globular protein unfolds, which of the following are true? (SELECT ALL THAT APPLY) Choice 1 of 6: the temperature must increase Choice 2 of 6: the entropy of the peptide backbone increases Choice 3 of 6: the entropy of the solvent waters increases Choice 4 of 6: H bonds between peptide backbone atoms must break Choice 5 of 6: new attractive interactions form between water and side chains Choice 6 of 6: a detergent molecule must be added
Choose all that apply: When a small, globular protein unfolds, which of the following are true? Choice 1 of 6:the temperature must increase Choice 2 of 6:the entropy of the peptide backbone increases Choice 3 of 6:the entropy of the solvent waters increases Choice 4 of 6:H bonds between peptide backbone atoms must break Choice 5 of 6:new attractive interactions form between water and side chains Choice 6 of 6:a detergent molecule must be added
Protein denaturation usually refers to the disruption of which of the following types of molecular interactions? Select all that apply. A.)Van der Waals attraction B.)Covalent bonds C.)Hydrogen bonds D.)Hydrophobic interactions
What level of protein structure is least likely to be affected if a protein's environment experiences a shift in pH below its optimal range? A. Quaternary B. Secondary C. Primary D. Tertiary
In the following diagram of a portion of a protein, label the types of interactions that are shown. What level of protein structure are these interactions producing? ____________________
At what level of protein structure does each of the following denaturation act? a. heat b. strong acid c. saturated salt solution d. organic solvents (e.g., alcohol or chloroform)
Which of the following does not contribute to the tertiary structure of protein? a. ionic interaction b. H-bond c. peptide bond d. hydrophobic interaction
Which 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 of the following, if any, is correct about protein folding? a)2° structure formation is primarily entropic, 3° structure formation is primarily entropic b)2° structure formation is primarily entropic, 3° structure formation is primarily enthalpic c)2° structure formation is primarily enthalpic, 3° structure formation is primarily entropic d)2° structure formation is primarily enthalpic, 3° structure formation is primarily enthalpic e)None of the above
Which of the following statements are correct? Explain your answers.A. Proteins are so remarkably diverse because each is made from a unique mixture of amino acids that are linked in random order.B. Lipid bilayers are macromolecules that are made up mostly of phospholipid subunits.C. Nucleic acids contain sugar groups.D. Many amino acids have hydrophobic side chains.E. The hydrophobic tails of phospholipid molecules are repelled from water.F. DNA contains the four different bases A, G, U, and C.
Which has greater conformational entropy, a folded protein, or an unfolded one? Actually can you please explain about conformational entropy??