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MCQs

Total Questions : 100 | Page 10 of 10 pages
Question 91. Different representation styles can be used in combination to highlight a certain feature of a structure while deemphasizing the structures surrounding it.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 92. Which of the following is an incorrect statement?
  1.    WebMol is a web-based program built based on a modified RasMol code and thus shares many similarities with RasMol
  2.    WebMol is a web-based program that is totally different from RasMol
  3.    Chime is a plug-in for web browsers
  4.    Chime is not a standalone program and has to be invoked in a web browser
 Discuss Question
Answer: Option B. -> WebMol is a web-based program that is totally different from RasMol
Answer: (b).WebMol is a web-based program that is totally different from RasMol
Question 93. Which of the following is wrong about Swiss-PDB Viewer?
  1.    It is a structure viewer for multiple platforms
  2.    It is a structure viewer for single platforms
  3.    It is essentially a Swiss-Army knife for structure visualization and modeling
  4.    It is capable of structure visualization, analysis, and homology modeling
 Discuss Question
Answer: Option B. -> It is a structure viewer for single platforms
Answer: (b).It is a structure viewer for single platforms
Question 94. Ribbons another UNIX program similar to Molscript, generates ribbon diagrams depicting protein secondary structures.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 95. Which of the following is an incorrect statement?
  1.    Molscript is a UNIX program capable of generating wire-frame
  2.    Molscript is capable of generating space-filling
  3.    Molscript is not capable of generating ball-and-stick styles
  4.    In particular, secondary structure elements can be drawn with solid spirals and arrows representing α-helices and β-strands, respectively
 Discuss Question
Answer: Option C. -> Molscript is not capable of generating ball-and-stick styles
Answer: (c).Molscript is not capable of generating ball-and-stick styles
Question 96. Which of the following is incorrect about protein structure comparison?
  1.    The comparative approach is important in finding remote protein homologs
  2.    Protein structures have a much higher degree of conservation than the sequences
  3.    Protein structures have a much lesser degree of conservation than the sequences
  4.    Proteins can share common structures even without sequence similarity
 Discuss Question
Answer: Option C. -> Protein structures have a much lesser degree of conservation than the sequences
Answer: (c).Protein structures have a much lesser degree of conservation than the sequences
Question 97. Which of the following is incorrect about intermolecular approach?
  1.    This procedure starts with identifying equivalent residues or atoms
  2.    After residue–residue correspondence is established, one of the structures is moved laterally and vertically toward the other structure to allow the two structures to be in the same location
  3.    The structures are rotated relative to each other around the three-dimensional axes
  4.    The rotation doesn’t depend on the intermolecular distance
 Discuss Question
Answer: Option D. -> The rotation doesn’t depend on the intermolecular distance
Answer: (d).The rotation doesn’t depend on the intermolecular distance
Question 98. The intermolecular approach is normally applied to relatively _____ structures.
  1.    distinctive
  2.    dissimilar
  3.    similar
  4.    different
 Discuss Question
Answer: Option C. -> similar
Answer: (c).similar
Question 99. The root mean square deviation (RMSD), without the size dependency correction is?
  1.    \(\sum_{i=1}^N \frac{D_i^2}{N}\)
  2.    \(\sum_{i=1}^N \frac{D_i^2}{N + 1}\)
  3.    \(\sum_{i=1}^N \frac{D_i^2}{N x N}\)
  4.    \(\sum_{i=1}^N \frac{D_i^2}{N – 1}\)
 Discuss Question
Answer: Option A. -> \(\sum_{i=1}^N \frac{D_i^2}{N}\)
Answer: (a).\(\sum_{i=1}^N \frac{D_i^2}{N}\)
Question 100. The root mean square deviation (RMSD), with the size dependency correction is?
  1.    \(\frac{RMSD}{-1.3 + 0.5 ln⁡(N+1)}\)
  2.    \(\frac{RMSD}{-1.3 + 0.5 ln⁡(N x N)}\)
  3.    \(\frac{RMSD}{-1.3 + 0.5 ln⁡(N-1)}\)
  4.    \(\frac{RMSD}{-1.3 + 0.5 ln⁡(N)}\)
 Discuss Question
Answer: Option D. -> \(\frac{RMSD}{-1.3 + 0.5 ln⁡(N)}\)
Answer: (d).\(\frac{RMSD}{-1.3 + 0.5 ln⁡(N)}\)

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