Homework Answers
a) Letter A : Ion induced dipole forces (by Fe in heme group) The Fe can bind to O group which helps heme unit to join other polypeptides
Letter B: Disulphide bond. These are bonds between two sulphur atoms.
Letter C: Hydrophobic interaction and Van der waals interaction
Letter D: Ionic Bond. These bonds are formed by the ionic state of atoms or molecules.
b) These are non-covalent bonds. There is no sharing of electron.
c) They are transient bonds. They may dissociate upon stress like heat.
d) The side chains are responsible for the interactions, as seen from the diagram.
e) The links are between different polypeptides
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8. Quaternary structure: The image below is of a polypeptide in quaternary (4°) structure...
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...
please answer 4. Secondary structure (a-helix): The image below is of a polypeptide in secondary (2)...
please answer
4. Secondary structure (a-helix): The image below is of a polypeptide in secondary (2) structure level of protein folding. Specifically it is of an a-helix. Use the image on the left to answer the questions a-e below. The image on the right is to help with question "f' only. a. Name the specific bond/interaction indicated by the dotted lines. b. Is this bond/interaction covalent or non-covalent? c. Is this bond/interaction permanent or transient? d. What parts of the...
please answer 5. Secondary structure (B-sheet): The image below is of a polypeptide in secondary (2)...
please answer
5. Secondary structure (B-sheet): The image below is of a polypeptide in secondary (2) structure level of protein folding. Specifically it is of a B-sheet. The image on the left is of an anti-parallel sheet, and the right of a parallel sheet. a. Name the specific bond/interaction indicated by the dotted lines. b. Is this bond/interaction covalent or non-covalent? c. Is this bond/interaction permanent or transient? d. What parts of the amino acid (backbone or side chain) are...
Review| Constants| Periodic Table Protein structure is conceptually divided into four levels, from most basic to...
Review| Constants| Periodic Table Protein structure is conceptually divided into four levels, from most basic to higher order Primary structure describes the order of amino acids in the peptide chain. Secondary structure describes the basic three-dimensional structures, a-helices and B sheets. Tertiary structure describes how the secondary structures come together to form an individual globular protein. Quatemary structure results from individual proteins coming together to form multi-subunit protein complexes Part A Complete the following vocabulary exercise relating to the level...
Name: CHEM 131 3. (8 pts) What type of interaction is expected between the side chains...
Name: CHEM 131 3. (8 pts) What type of interaction is expected between the side chains of the following pairs of amino acids (examples include salt bridges, H-bonding, disulfide bonds and dispersion forces)? Tyrosine and asparagine a) b) Leucine and proline c) two cysteines Give an example of two amino acids that could form a salt bridge (chemical structure or 3 letter d) code) 4. (10 pts) ldentify in which structural feature (1, 2" or 3" structure) of a protein...
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...
Question 1 The protein in the diagram is (circle all that apply): Group of answer choices...
Question 1
The protein in the diagram is (circle all that apply):
Group of answer choices
a) a peripheral membrane protein
b) an integral membrane protein
c) a lipid anchored protein
Question 2
The protein shown in the diagram could potentially function as
(circle all that apply):
Group of answer choices
a) a receptor
b) a transmembrane anchor
c) a pore or channel
Question 3
The protein shown in the diagram has which of the following
(choose all that apply)?...
QUESTION 13 What chemical group is at the end of an amino acid chain corresponding to...
QUESTION 13 What chemical group is at the end of an amino acid chain corresponding to the 3' end of the mRNA molecule? A. Peptide bond B.5 phosphate group C.3" hydroxyl group D. Amino (N-terminus) E. Carboxyl (C-terminus) QUESTION 14 Which of the following is true regarding pre-mRNA modifications/processing? O A. Alternative splicing allows for increased complexity and synthesis of protein isomers OB. The 5' cap is added after RNA polymerase dissociates from the gene OC. The poly A tail...
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...
Cyw Ala Ατα Ile Ausn Lou Asp aly Lys Ser Which molecule below is asubunit of...
Cyw Ala Ατα Ile Ausn Lou Asp aly Lys Ser Which molecule below is asubunit of peptide chains a. Acetic acid b. Alanine O. ATP d. Gracil Report the charge on most aqueous aspartie acid molecules at pH-7. Report the approximate p values for the amino acid whose titration curve is shown below (note there may be more slots for answer than answers). A) Value 1 B) Value 2 c) Value 3 c) Value 4 The structure of a rare...
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...
please answer
4. Secondary structure (a-helix): The image below is of a polypeptide in secondary (2) structure level of protein folding. Specifically it is of an a-helix. Use the image on the left to answer the questions a-e below. The image on the right is to help with question "f' only. a. Name the specific bond/interaction indicated by the dotted lines. b. Is this bond/interaction covalent or non-covalent? c. Is this bond/interaction permanent or transient? d. What parts of the...
please answer
5. Secondary structure (B-sheet): The image below is of a polypeptide in secondary (2) structure level of protein folding. Specifically it is of a B-sheet. The image on the left is of an anti-parallel sheet, and the right of a parallel sheet. a. Name the specific bond/interaction indicated by the dotted lines. b. Is this bond/interaction covalent or non-covalent? c. Is this bond/interaction permanent or transient? d. What parts of the amino acid (backbone or side chain) are...
Review| Constants| Periodic Table Protein structure is conceptually divided into four levels, from most basic to higher order Primary structure describes the order of amino acids in the peptide chain. Secondary structure describes the basic three-dimensional structures, a-helices and B sheets. Tertiary structure describes how the secondary structures come together to form an individual globular protein. Quatemary structure results from individual proteins coming together to form multi-subunit protein complexes Part A Complete the following vocabulary exercise relating to the level...
Name: CHEM 131 3. (8 pts) What type of interaction is expected between the side chains of the following pairs of amino acids (examples include salt bridges, H-bonding, disulfide bonds and dispersion forces)? Tyrosine and asparagine a) b) Leucine and proline c) two cysteines Give an example of two amino acids that could form a salt bridge (chemical structure or 3 letter d) code) 4. (10 pts) ldentify in which structural feature (1, 2" or 3" structure) of a protein...
Question 1
The protein in the diagram is (circle all that apply):
Group of answer choices
a) a peripheral membrane protein
b) an integral membrane protein
c) a lipid anchored protein
Question 2
The protein shown in the diagram could potentially function as
(circle all that apply):
Group of answer choices
a) a receptor
b) a transmembrane anchor
c) a pore or channel
Question 3
The protein shown in the diagram has which of the following
(choose all that apply)?...
QUESTION 13 What chemical group is at the end of an amino acid chain corresponding to the 3' end of the mRNA molecule? A. Peptide bond B.5 phosphate group C.3" hydroxyl group D. Amino (N-terminus) E. Carboxyl (C-terminus) QUESTION 14 Which of the following is true regarding pre-mRNA modifications/processing? O A. Alternative splicing allows for increased complexity and synthesis of protein isomers OB. The 5' cap is added after RNA polymerase dissociates from the gene OC. The poly A tail...
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...
Cyw Ala Ατα Ile Ausn Lou Asp aly Lys Ser Which molecule below is asubunit of peptide chains a. Acetic acid b. Alanine O. ATP d. Gracil Report the charge on most aqueous aspartie acid molecules at pH-7. Report the approximate p values for the amino acid whose titration curve is shown below (note there may be more slots for answer than answers). A) Value 1 B) Value 2 c) Value 3 c) Value 4 The structure of a rare...
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