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MCQs

Total Questions : 77 | Page 3 of 8 pages
Question 21. Enterokinase is an intestinal enzyme that converts _______ to ________
  1.    pepsinogen, pepsin
  2.    pepsin, pepsinogen
  3.    trypsinogen, trypsin
  4.    trypsin, trypsinogen
 Discuss Question
Answer: Option C. -> trypsinogen, trypsin
Answer: (c).trypsinogen, trypsin
Question 22. RNA can be synthesized by using vector. A vector with _______ is used and further through ________ RNA is isolated.
  1.    origin of replication, translation
  2.    promoter, transcription
  3.    promoter, translation
  4.    origin of replication, transcription
 Discuss Question
Answer: Option B. -> promoter, transcription
Answer: (b).promoter, transcription
Question 23. Cloning vectors designed for the purpose of synthesis of RNA and proteins are known as ___________
  1.    Cloning vectors
  2.    RNA vectors
  3.    Bacteriophage vectors
  4.    Expression vectors
 Discuss Question
Answer: Option D. -> Expression vectors
Answer: (d).Expression vectors
Question 24. Cyanogen bromide is used for cleavage of junctions. It cleaves after ________ residues.
  1.    methionine
  2.    tryptophan
  3.    cysteine
  4.    phenolic acid
 Discuss Question
Answer: Option A. -> methionine
Answer: (a).methionine
Question 25. For studying processes such as splicing and cleavage, RNA is required. Choose the correct statement for this.
  1.    A mixture of different types of RNA is required
  2.    Two types of RNA are required
  3.    A few contaminating proteins are required
  4.    Sodium hydroxide is required
 Discuss Question
Answer: Option C. -> A few contaminating proteins are required
Answer: (c).A few contaminating proteins are required
Question 26. Isolation of RNA can be carried out easily from bacterial cells.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 27. By selecting the appropriate polymerase to activate the promoter ________ can be carried out _______
  1.    transcription, regardless of orientation
  2.    transcription, only in one orientation
  3.    translation, regardless of orientation
  4.    translation, only in one orientation
 Discuss Question
Answer: Option A. -> transcription, regardless of orientation
Answer: (a).transcription, regardless of orientation
Question 28. Promoters are generally used after isolation from ___________
  1.    bacteriophage T7
  2.    bacteriophage SP6
  3.    baceriophage Mu
  4.    both bacteriophage T7 and SP6
 Discuss Question
Answer: Option D. -> both bacteriophage T7 and SP6
Answer: (d).both bacteriophage T7 and SP6
Question 29. Guanylyl transferase and GTP are used for?
  1.    Transcription
  2.    Translation
  3.    Capping of the message
  4.    Packaging
 Discuss Question
Answer: Option C. -> Capping of the message
Answer: (c).Capping of the message
Question 30. Capping can be introduced by the use of cap analogue. Which of the statement is true?
  1.    Cap analogue can be introduced at the end of the transcript
  2.    Cap analogue can be introduced at the start of the transcript
  3.    Cap analogue can be introduced anywhere in the transcript
  4.    Cap analogue can be introduced both at the end and starting of the transcript
 Discuss Question
Answer: Option B. -> Cap analogue can be introduced at the start of the transcript
Answer: (b).Cap analogue can be introduced at the start of the transcript

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