Post translational Modification MCQ

Test your knowledge with important Post translational Modification MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Post translational Modification MCQs at Bissoy

• ExPASY contains a number of programs to determine posttranslational modifications based on MS molecular mass data.
  ক

  True

  খ

  False
• Cysteine doesn’t make predictions by building profiles.
  ক

  True

  খ

  False
• Only Advanced neural networks are used to discern long-distance pairwise interactions among cysteine residues.
  ক

  True

  খ

  False
• Accurate prediction of _____ bonds may also help to predict the _____ dimensional structure of the protein of interest.
  ক

  nitrogen, two

  খ

  nitrogen, three

  গ

  disulfide, three

  ঘ

  oxygen, three
• A disulfide bridge is a unique type of _____ modification in which _____ bonds are formed between cysteine residues.
  ক

  posttranslational, covalent

  খ

  translational, covalent

  গ

  translational, ionic

  ঘ

  posttranslational, ionic
• In a statistical learning process called support vector machine (SVM), a hyperplane is _____
  ক

  a linear or nonlinear mathematical function

  খ

  nonlinear mathematical function

  গ

  linear mathematical function

  ঘ

  exponential mathematical function
• To minimize false-positive results, a statistical learning process called support vector machine (SVM) can be used to increase the specificity of prediction.
  ক

  True

  খ

  False
• 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.
  ক

  True

  খ

  False
• Which of the following is a wrong about AutoMotif?
  ক

  It is a web server predicting protein sequence motifs

  খ

  It doesn’t use SVM approach

  গ

  In this process, the query sequence is chopped up into a number of overlapping fragments

  ঘ

  The overlapping fragments from are query sequence are fed into different kernels (similar to nodes)
• Which of the following is a wrong statement?
  ক

  To assume biological activity, many nascent polypeptides have to be covalently modified before or after the folding process

  খ

  In eukaryotic cells most modifications take place in the endoplasmic reticulum and the Golgi apparatus

  গ

  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

  ঘ

  The modifications in eukaryotic cells doesn’t include attachment of oligosaccharides or prosthetic groups to create mature proteins