Which of the following statements is true about X-ray diffraction? a) X-ray diffraction can be used...
Which of the following statements is true about X-ray diffraction?
a) X-ray diffraction can be used for capturing protein dynamics
b) the structure obtained from X-ray diffraction can contain crystal-packing artifacts
c) X-ray diffraction can be used to obtain structures of intrinsically disordered proteins
d) The x-ray beam is scattered primarily by the nuclei of atoms
Homework Answers
The answer is B...
The structure obtained from x ray diffraction can cintain crystal packing artifacts.
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Which of the following statements is true about
X-ray diffraction?
a) X-ray diffraction can be used...
+ X-Ray Diffraction 25 of 30 > A Review Constants Periodic Table Part A X-ray diffraction...
+ X-Ray Diffraction 25 of 30 > A Review Constants Periodic Table Part A X-ray diffraction can be used to obtain structural information of crystalline compounds. X-ray wavelengths are about the same size as the space between atoms in solids. X-rays aimed at a crystal are diffracted by the atoms in the crystalline lattice. This results in an X-ray diffraction pattern, which can be seen on a detector placed behind the crystal. X-rays with a wavelength of 1.58 A scatter...
Problem 2: X-ray diffraction: (a) Determine the maximum wavelength for which constructive interference can be observed...
Problem 2: X-ray diffraction: (a) Determine the maximum wavelength for which constructive interference can be observed in the Bragg model for a simple cubic crystal with a lattice constant of 3.6 A. (b)What is the energy of the X-rays in electron volts? (c) If you were to perform neutron diffraction, what would the energy of the neutrons have to be in order to obtain the same de Broglie wavelength? (d) You could argue that if you take X-rays with twice...
Which of the following statements about globular proteins are true? - The protein folds to make...
Which of the following statements about globular proteins are true? - The protein folds to make itself as compact as possible. - The packing of the protein is such that hydrophilic residues appear on the surface where they can interact with an aqueous environment. - β sheets are usually twisted, or wrapped into barrel structures. - All parts of a globular protein can be classified as helix, β sheet, or turns. Only statement 3 is correct Statements 1, 2, and...
X-Ray Diffraction (XRD) is a wonderful tool for characterizing biomaterials. Please answer the following questions using...
X-Ray Diffraction (XRD) is a wonderful tool for characterizing biomaterials. Please answer the following questions using the given scenarios. Provide a brief definition of Bragg's Law and describe how it is useful in XRD. b) Please briefly describe how it can be used in Biomaterials Science? c) You observe that X ray diffraction data from a crystalline material displays a prominent peak at 2Theta = 26.0 degrees and 12.93 degrees. Please provide the best guess for what crystal class this...
1) What makes x-ray crystallography more difficult than cryo EM in many cases? a.crystalizing proteins can...
1) What makes x-ray crystallography more difficult than cryo EM in many cases? a.crystalizing proteins can be very hard b.The x-ray process requires a great deal of energy c.crystallography requires very high tech computers d.x-ray crystallography can only be used for very small proteins 2)After breaking up your cells with a mortar and pestle, you then centrifuge your sample at a low speed. Where would you expect to find your protein if it is normally located in the cytosol? a.pellet...
2. Can X-ray diffraction technique be used to measure coefficient of thermal expansion? If yes, how?...
2. Can X-ray diffraction technique be used to measure coefficient of thermal expansion? If yes, how? Describe procedure and any calculations involved.
Which of the following statements about solids is incorrect? ︵ Packing efficiency increases in the order,...
Which of the following statements about solids is incorrect? ︵ Packing efficiency increases in the order, simple cubic < BCC FCC Packing efficiency calculates the percentage of empty space occupied in a solid. Packing efficiency is related to how many atoms are in a given volume in a solid. If a solid can form more than one possible crystal structure, the one with the highest packing efficiency will have the highest density (g/cm Packing efficiency increases as the volume of...
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...
Which of the following statements is INCORRECT about enhancers. O A. The location and orientation of...
Which of the following statements is INCORRECT about enhancers. O A. The location and orientation of the enhancer is non-specific (they are functional regardless of their general location around an within a gene). B. Both activator and repressor proteins can bind to an enhancer. C.Enhancers can only exert their effect in one direction along the DNA. D. Enahncers can bind proteins to affect the architecture (structure) of the DNA. Reset Selection Question 5 of 5 Select all of the following...
D Question 1 Opts Which of the following statements are NOT True about protein and the...
D Question 1 Opts Which of the following statements are NOT True about protein and the diet? Most adults require 0.8 grams of protein per kg Extra protein is necessary to build muscle Protein contains the nitrogen element Protein yields 4 kcal/g of energy A meal of beans and corn tortillas provides complete protein An essential amino acid can not be synthesized by the body Plant proteins are high quality protein Amino acids are the building blocks for protein Animal...
+ X-Ray Diffraction 25 of 30 > A Review Constants Periodic Table Part A X-ray diffraction can be used to obtain structural information of crystalline compounds. X-ray wavelengths are about the same size as the space between atoms in solids. X-rays aimed at a crystal are diffracted by the atoms in the crystalline lattice. This results in an X-ray diffraction pattern, which can be seen on a detector placed behind the crystal. X-rays with a wavelength of 1.58 A scatter...
Problem 2: X-ray diffraction: (a) Determine the maximum wavelength for which constructive interference can be observed in the Bragg model for a simple cubic crystal with a lattice constant of 3.6 A. (b)What is the energy of the X-rays in electron volts? (c) If you were to perform neutron diffraction, what would the energy of the neutrons have to be in order to obtain the same de Broglie wavelength? (d) You could argue that if you take X-rays with twice...
X-Ray Diffraction (XRD) is a wonderful tool for characterizing biomaterials. Please answer the following questions using the given scenarios. Provide a brief definition of Bragg's Law and describe how it is useful in XRD. b) Please briefly describe how it can be used in Biomaterials Science? c) You observe that X ray diffraction data from a crystalline material displays a prominent peak at 2Theta = 26.0 degrees and 12.93 degrees. Please provide the best guess for what crystal class this...
Which of the following statements about solids is incorrect? ︵ Packing efficiency increases in the order, simple cubic < BCC FCC Packing efficiency calculates the percentage of empty space occupied in a solid. Packing efficiency is related to how many atoms are in a given volume in a solid. If a solid can form more than one possible crystal structure, the one with the highest packing efficiency will have the highest density (g/cm Packing efficiency increases as the volume of...
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...
Which of the following statements is INCORRECT about enhancers. O A. The location and orientation of the enhancer is non-specific (they are functional regardless of their general location around an within a gene). B. Both activator and repressor proteins can bind to an enhancer. C.Enhancers can only exert their effect in one direction along the DNA. D. Enahncers can bind proteins to affect the architecture (structure) of the DNA. Reset Selection Question 5 of 5 Select all of the following...
D Question 1 Opts Which of the following statements are NOT True about protein and the diet? Most adults require 0.8 grams of protein per kg Extra protein is necessary to build muscle Protein contains the nitrogen element Protein yields 4 kcal/g of energy A meal of beans and corn tortillas provides complete protein An essential amino acid can not be synthesized by the body Plant proteins are high quality protein Amino acids are the building blocks for protein Animal...
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