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MCQs

Total Questions : 120 | Page 6 of 12 pages
Question 51. Which of the following is a wrong statement?
  1.    To assume biological activity, many nascent polypeptides have to be covalently modified before or after the folding process
  2.    In eukaryotic cells most modifications take place in the endoplasmic reticulum and the Golgi apparatus
  3.    The modifications in eukaryotic cells include proteolytic cleavage; formation of disulfide bonds; addition of phosphoryl, methyl, acetyl, or other groups onto certain amino acid residues
  4.    The modifications in eukaryotic cells doesn’t include attachment of oligosaccharides or prosthetic groups to create mature proteins
 Discuss Question
Answer: Option D. -> The modifications in eukaryotic cells doesn’t include attachment of oligosaccharides or prosthetic groups to create mature proteins
Answer: (d).The modifications in eukaryotic cells doesn’t include attachment of oligosaccharides or prosthetic groups to create mature proteins
Question 52. Which of the following is a wrong about AutoMotif?
  1.    It is a web server predicting protein sequence motifs
  2.    It doesn’t use SVM approach
  3.    In this process, the query sequence is chopped up into a number of overlapping fragments
  4.    The overlapping fragments from are query sequence are fed into different kernels (similar to nodes)
 Discuss Question
Answer: Option B. -> It doesn’t use SVM approach
Answer: (b).It doesn’t use SVM approach
Question 53. It is important to use bioinformatics tools to predict sites for posttranslational modifications based on specific protein sequences. However, prediction of such modifications can often be difficult because the short lengths of the sequence motifs associated with certain modifications.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 54. To minimize false-positive results, a statistical learning process called support vector machine (SVM) can be used to increase the specificity of prediction.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 55. In a statistical learning process called support vector machine (SVM), a hyperplane is _____
  1.    a linear or nonlinear mathematical function
  2.    nonlinear mathematical function
  3.    linear mathematical function
  4.    exponential mathematical function
 Discuss Question
Answer: Option A. -> a linear or nonlinear mathematical function
Answer: (a).a linear or nonlinear mathematical function
Question 56. Despite the multiple coverage, sometimes certain genomic regions remain unsequenced, mainly owing to cloning difficulties.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 57. The hierarchical genome sequencing approach is ______
  1.    entirely dissimilar to the shotgun approach
  2.    dissimilar to the shotgun approach
  3.    similar to the shotgun approach, but on a larger scale
  4.    similar to the shotgun approach, but on a smaller scale
 Discuss Question
Answer: Option D. -> similar to the shotgun approach, but on a smaller scale
Answer: (d).similar to the shotgun approach, but on a smaller scale
Question 58. The hierarchical approach is ____ and _____ than the shotgun approach because it involves an initial clone-based physical mapping step.
  1.    slower, less costly
  2.    faster, more costly
  3.    faster, less costly
  4.    slower, more costly
 Discuss Question
Answer: Option D. -> slower, more costly
Answer: (d).slower, more costly
Question 59. The whole genome shotgun approach can produce a draft sequence very rapidly because it is based on the direct sequencing approach.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 60. In hierarchical genome sequencing approach, based on the results of _______ mapping _______of the BAC clones on a chromosome can be determined.
  1.    physical, the locations and orders
  2.    physical, only the locations
  3.    cytological, only the locations
  4.    physical, only the orders
 Discuss Question
Answer: Option A. -> physical, the locations and orders
Answer: (a).physical, the locations and orders

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