Homework Answers
Three polypeptide chains are shown in the quaternary structure of the protein.
Disulphide bridges, Ionic bonds, hydrogen bonds are the bonds
and hydrophobic interactions hold the quaternary structure in
place
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How many polypeptide chains are shown in the quarternary
structure of the protein ? What types...
please answer 8. Quaternary structure: The image below is of a polypeptide in quaternary (4°) structure...
please answer
8. Quaternary structure: The image below is of a polypeptide in quaternary (4°) structure level of protein folding. The image to the left is of hemoglobin. It is composed of four separate polypeptide chains indicated by the color differences. The image on the right indicates the backbone items as a ribbon (or line), while the side chains are chemically drawn. a. Name the specific bond/interaction indicated by the: i. Letter A ii. Letter B iii. Letter C iv....
pls answer 6 and 7 6. Secondary structure (turn): The image below is of a polypeptide...
pls
answer 6 and 7
6. Secondary structure (turn): The image below is of a polypeptide in secondary (20) structure level of protein folding. Specifically it is of a turn. Turns vary in length. The shorter the turn the more drastic the angle changes. The longer the turn, the more gradual the angles needed. a. Name the specific bond/interaction indicated by the dotted lines. b. Is this bond/interaction covalent or non-covalent? Is this bond/interaction permanent or transient? d. What parts...
2) At a pH greater than that of its isoelectric point, the structure of glycine is...
2) At a pH greater than that of its isoelectric point, the structure of glycine is a) H-CH-COOH b) H-CH-C00- c) H-CH-CO e) H-CH-COO COOH b) H-CH-C00- c) H-CH-COOH d) H-CH-COO NH2 NH2 NH2 NH3 NH 3) Which of the following structures can be destroyed by the dena structures can be destroyed by the denaturation of a protein? a) Only primary and tertiary structures of a protein. b) Only secondary, tertiary y secondary, tertiary, and quaternary structures of a protein....
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
What kinds of interactions are NOT part of tertiary protein structure? 3 . A) salt bridges...
What kinds of interactions are NOT part of tertiary protein structure? 3 . A) salt bridges In a hydrolysis reaction, B) hydrophilic interactions A. an acid reacts with an alcohol. C) disulfide bonds E. an este reacts with NaOH. C. anester reacts with H.O. D) peptide bonds D. an acid neutralizes a base. E) hydrophobic interactions E. water is added to markene. . All amino acids have chiral Carbon atoms except a. Val 6. Lys C. ASP d. Ala e....
1 through 5 please 1. Which level of protein structure is held together by hydrogen bonds...
1 through 5 please
1. Which level of protein structure is held together by hydrogen bonds only a) primary b) secondary c) tertiary d) quaternary 2. Which level of protein structure is held together by peptide bonds only a) primary b) secondary c) tertiary d) quaternary 3. Which level of protein structure is held together by R-group interactions? a) primary b) secondary c) tertiary d) quaternary " Which level of protein structure is likely to change when a substrate binds...
4. (a) Define the four levels of protein structure (primary, secondary, tertiary, and quaternary). (2 pt)...
4. (a) Define the four levels of protein structure (primary, secondary, tertiary, and quaternary). (2 pt) (b) List four examples of types of interactions which give rise to tertiary structure. (2 pt) (c) What is protein denaturation, and list at least three ways this can be achieved. (2 pt)
What is a peptide? What is a polypeptide? What is meant by the primary structure of...
What is a peptide? What is a polypeptide? What is meant by the primary structure of a protein? What is meant by the secondary structure of a protein? What is meant by the tertiary structure of a protein? What is meant by the quaternary structure of a protein? Explain why cooking food, such as frying an egg, results in visible changes to texture, density, smell, taste, and appearance. *Denaturation Discuss the relationship between protein structure and protein function?
with reducing agents A B A B (5pts) Protein A contains 2 polypeptide chains (1 of...
with reducing agents A B A B (5pts) Protein A contains 2 polypeptide chains (1 of 75,000, I of 25,000) held together by disulfide bonds. Protein B contains 2 polypeptide chains (each -75,000) held together by hydrophobic interactions and electrostatic forces. On the SDS-PAGE gel to the right, sketch the ideal pattern you expect for each of these proteins in the absence and presence of reducing agents. (Use your text for help if you need it.) Explain briefly your logic....
1. What is the name for the dipeptide shown below 2. Label each as primary, secondary,...
1. What is the name for the dipeptide shown below
2. Label each as primary, secondary, tertiary, or quaternary
3. Indicate whether each is hydrophobic or hydrophilic: Ananine,
Tyr, Lysine, V
CH, O CH OH NH-CH=C-NHCHCOOH The protein folds into a compact structure stabilized by interactions between R groups. the combination of two or more protein molecules to form an active protein pleated sheet the peptide bonds between the amino acids the structural level achieved when hydrogen bonds form between...
please answer
8. Quaternary structure: The image below is of a polypeptide in quaternary (4°) structure level of protein folding. The image to the left is of hemoglobin. It is composed of four separate polypeptide chains indicated by the color differences. The image on the right indicates the backbone items as a ribbon (or line), while the side chains are chemically drawn. a. Name the specific bond/interaction indicated by the: i. Letter A ii. Letter B iii. Letter C iv....
pls
answer 6 and 7
6. Secondary structure (turn): The image below is of a polypeptide in secondary (20) structure level of protein folding. Specifically it is of a turn. Turns vary in length. The shorter the turn the more drastic the angle changes. The longer the turn, the more gradual the angles needed. a. Name the specific bond/interaction indicated by the dotted lines. b. Is this bond/interaction covalent or non-covalent? Is this bond/interaction permanent or transient? d. What parts...
2) At a pH greater than that of its isoelectric point, the structure of glycine is a) H-CH-COOH b) H-CH-C00- c) H-CH-CO e) H-CH-COO COOH b) H-CH-C00- c) H-CH-COOH d) H-CH-COO NH2 NH2 NH2 NH3 NH 3) Which of the following structures can be destroyed by the dena structures can be destroyed by the denaturation of a protein? a) Only primary and tertiary structures of a protein. b) Only secondary, tertiary y secondary, tertiary, and quaternary structures of a protein....
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
What kinds of interactions are NOT part of tertiary protein structure? 3 . A) salt bridges In a hydrolysis reaction, B) hydrophilic interactions A. an acid reacts with an alcohol. C) disulfide bonds E. an este reacts with NaOH. C. anester reacts with H.O. D) peptide bonds D. an acid neutralizes a base. E) hydrophobic interactions E. water is added to markene. . All amino acids have chiral Carbon atoms except a. Val 6. Lys C. ASP d. Ala e....
1 through 5 please
1. Which level of protein structure is held together by hydrogen bonds only a) primary b) secondary c) tertiary d) quaternary 2. Which level of protein structure is held together by peptide bonds only a) primary b) secondary c) tertiary d) quaternary 3. Which level of protein structure is held together by R-group interactions? a) primary b) secondary c) tertiary d) quaternary " Which level of protein structure is likely to change when a substrate binds...
with reducing agents A B A B (5pts) Protein A contains 2 polypeptide chains (1 of 75,000, I of 25,000) held together by disulfide bonds. Protein B contains 2 polypeptide chains (each -75,000) held together by hydrophobic interactions and electrostatic forces. On the SDS-PAGE gel to the right, sketch the ideal pattern you expect for each of these proteins in the absence and presence of reducing agents. (Use your text for help if you need it.) Explain briefly your logic....
1. What is the name for the dipeptide shown below
2. Label each as primary, secondary, tertiary, or quaternary
3. Indicate whether each is hydrophobic or hydrophilic: Ananine,
Tyr, Lysine, V
CH, O CH OH NH-CH=C-NHCHCOOH The protein folds into a compact structure stabilized by interactions between R groups. the combination of two or more protein molecules to form an active protein pleated sheet the peptide bonds between the amino acids the structural level achieved when hydrogen bonds form between...
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