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PayЕ 30-Which structure among the following represents an amide (protein) bond? A) —N=C=0 C-NH- -C-NH- C-0-...
Which of the following is an example of a protein that exhibits a quaternary structure?
16) Which of the following is an example of a protein that exhibits a quaternary structure? 1. a) insulin 2. b) hemoglobin 3.c) collagen 4. d) keratin 2 4 3 1 Question 3 3) The a-helix and ß-pleated sheet are both forms of the structure of proteins. a) primary b) secondary c) tertiary d) quaternary
Distinguish between the different levels of protein structure, including primary, secondary, tertiary, and Question Prions are...
Distinguish between the different levels of protein structure, including primary, secondary, tertiary, and Question Prions are a type of protein implicated in bovine spongiform encephalopathy (BSE), also known as "mad cow disease," and related pathologies found in sheep (scrappie) and humans (Creutzfeldt-Jakob disease). The disease occurs when sections of an otherwise healthy protein misfold from alpha-helices to beta-pleated sheets, forming tightly packed sections of beta-pleated sheets that are difficult to break down. The disease propagates because the misfolded prions induce...
Which of the following is true of secondary structure in protein folding? Pick ALL that apply....
Which of the following is true of secondary structure in protein folding? Pick ALL that apply. A. It involves hydrogen bonding. B. It involves the side chains. C. It involves hydrophobic interactions. D. It results in alpha helicies with the side chains hidden inside the helix. E. It results in beta-pleated sheets with side chains sticking out of the plain of the sheet. F. It involves the peptide backbone.
QUESTIONS The primary structure of a protein is the result of which of the following bond...
QUESTIONS The primary structure of a protein is the result of which of the following bond types? O A amide bond B. hydrophobic interactions o disulfide bond D. hydrogen bond QUESTION 6 Quaternary structure is associated with A the sum of the secondary and tertiary structures B. the relative orientation of one polypeptide to another polypeptide in a multisubunit protein o the formation of the primary structure D. the shape of the polypeptide chain
24. How does insulin end up with 2 separate chains when it is produced as one sequence o amino acids. (4 points) 25.What is the difference between the hydrogen bonding which holds the secondary p...
24. How does insulin end up with 2 separate chains when it is produced as one sequence o amino acids. (4 points) 25.What is the difference between the hydrogen bonding which holds the secondary protein structures of and alpha helix and a beta pleated sheet together and the hydrogen bonding that holds the tertiary structure together? (4 points) 26. List the 6 classes of enzymes and describe what types of reactions they catalyze. (3 points per class of enzymes, 18...
Which of the following statements about protein structure is NOT correct? Why are proteins able to...
Which of the following statements about protein structure is NOT correct? Why are proteins able to buffer physiologic solutions over a wide range of pH? They contain many functional groups with different pK's They are macromolecules of high molecular weight They have many peptide bonds which are very resistant to hydrolysis by hydrogen or hydroxyl ions They have considerable secondary and tertiary structure which cause hydrogen ions to be sequestered The side chains of the amino acids with acidic functional...
. The covalent (ester / amide /hydrocarbon /hydrogen) bond between peptides is responsible for the (primary...
. The covalent (ester / amide /hydrocarbon /hydrogen) bond between peptides is responsible for the (primary /secondary /tertiary /quaternary) structure of a protein. (Delete incorrect answers) (2 pts) 2. (a) Of the twenty amino acids, onlyof them are termed essential amino acids. (1pt (b) What does it mean when an amino acid is termed "essential"? (2 pts) 3. Draw an example of hydrogen bonding between the carbonyl group and the secondary NH group of two different amino acids in the...
Refer to the figure below. BC 0 CH-C-NCHONCH THEO "CH-C-N-CH-C-00 CH & - E - E...
Refer to the figure below. BC 0 CH-C-NCHONCH THEO "CH-C-N-CH-C-00 CH & - E - E - F - 8 CH CHE Asp NH Phe C Lys NH Arg Which of the following is broken during hydrolysis reactions that release the molecule's monomers as products? a. Bond A b. Bond B woled stalla on c. Bond C d. Bond D e. Bond E se 28. An amino acid can be classified by the a. number of amino groups it contains....
1) Select all that apply. Globular proteins: a)are found in hair and wool. b)include myoglobin and...
1) Select all that apply. Globular proteins: a)are found in hair and wool. b)include myoglobin and collagen. c)are usually water soluble. d)aggregate in aqueous media. e)are often made of β-pleated sheet and α-helix sections wrapped into compact structures. 2) Select all that apply. The Bohr effect: a)depends on the atomic orbital structure of hydrogen. b)can be summarized as a reduction in the oxygen affinity of hemoglobin with decreasing pH. c)is explained by the protonation of key amino acids, including the...
please answer all. 14. [6 pts) Indicate which of the following statements is True (T) or...
please answer all.
14. [6 pts) Indicate which of the following statements is True (T) or False (F) When water interacts with hydrophobic molecules, it becomes more ordered and entropy of the system increases The hydrophobic effect is predominant in protein stability The Ramachandran ploy shows combinations of dihedral angles in a polypeptide chain. A proteins function is directly related to the protein's secondary structure. The B sheet is primarily stabilized by R group interactions Clusters of secondary structures are...
Distinguish between the different levels of protein structure, including primary, secondary, tertiary, and Question Prions are a type of protein implicated in bovine spongiform encephalopathy (BSE), also known as "mad cow disease," and related pathologies found in sheep (scrappie) and humans (Creutzfeldt-Jakob disease). The disease occurs when sections of an otherwise healthy protein misfold from alpha-helices to beta-pleated sheets, forming tightly packed sections of beta-pleated sheets that are difficult to break down. The disease propagates because the misfolded prions induce...
QUESTIONS The primary structure of a protein is the result of which of the following bond types? O A amide bond B. hydrophobic interactions o disulfide bond D. hydrogen bond QUESTION 6 Quaternary structure is associated with A the sum of the secondary and tertiary structures B. the relative orientation of one polypeptide to another polypeptide in a multisubunit protein o the formation of the primary structure D. the shape of the polypeptide chain
24. How does insulin end up with 2 separate chains when it is produced as one sequence o amino acids. (4 points) 25.What is the difference between the hydrogen bonding which holds the secondary protein structures of and alpha helix and a beta pleated sheet together and the hydrogen bonding that holds the tertiary structure together? (4 points) 26. List the 6 classes of enzymes and describe what types of reactions they catalyze. (3 points per class of enzymes, 18...
Which of the following statements about protein structure is NOT correct? Why are proteins able to buffer physiologic solutions over a wide range of pH? They contain many functional groups with different pK's They are macromolecules of high molecular weight They have many peptide bonds which are very resistant to hydrolysis by hydrogen or hydroxyl ions They have considerable secondary and tertiary structure which cause hydrogen ions to be sequestered The side chains of the amino acids with acidic functional...
. The covalent (ester / amide /hydrocarbon /hydrogen) bond between peptides is responsible for the (primary /secondary /tertiary /quaternary) structure of a protein. (Delete incorrect answers) (2 pts) 2. (a) Of the twenty amino acids, onlyof them are termed essential amino acids. (1pt (b) What does it mean when an amino acid is termed "essential"? (2 pts) 3. Draw an example of hydrogen bonding between the carbonyl group and the secondary NH group of two different amino acids in the...
Refer to the figure below. BC 0 CH-C-NCHONCH THEO "CH-C-N-CH-C-00 CH & - E - E - F - 8 CH CHE Asp NH Phe C Lys NH Arg Which of the following is broken during hydrolysis reactions that release the molecule's monomers as products? a. Bond A b. Bond B woled stalla on c. Bond C d. Bond D e. Bond E se 28. An amino acid can be classified by the a. number of amino groups it contains....
please answer all.
14. [6 pts) Indicate which of the following statements is True (T) or False (F) When water interacts with hydrophobic molecules, it becomes more ordered and entropy of the system increases The hydrophobic effect is predominant in protein stability The Ramachandran ploy shows combinations of dihedral angles in a polypeptide chain. A proteins function is directly related to the protein's secondary structure. The B sheet is primarily stabilized by R group interactions Clusters of secondary structures are...
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