Markers MCQ

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

• Cis-acting REP 3 sequence is present in Yeast episomal plasmids. Choose the statement which holds true for it?
  ক

  It is present along with chromosomal centromeric sequence

  খ

  It is the site of action of proteins that help in partitioning

  গ

  It gives less stability to that of YCs

  ঘ

  The copy number is low than that of YCs
• Yeast episomal plasmids have the following feature?
  ক

  They contain ARS and CEL both

  খ

  They contain ARS but not CEL

  গ

  They contain CEL but not ARS

  ঘ

  CEL is necessarily present but ARS may or may not be present
• CEN4 in YCp50 is an example of _______
  ক

  tetracycline resistant gene

  খ

  ampicillin resistant gene

  গ

  chromosomal centromeric sequence

  ঘ

  autonomously replicating sequence
• Yeast centromeric plasmid (YCp50) contains ampicillin and tetracycline resistant gene.
  ক

  True

  খ

  False
• The replicating plasmid vectors in yeast can be divided broadly into how many categories?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• Cells mutant in _____ gene can be selected by using 5-fluoro orotic acid, which is turned into ____ products by wild type protein.
  ক

  SUP4, toxic

  খ

  SUP4, non-toxic

  গ

  URA3, toxic

  ঘ

  URA3, non-toxic
• Cells that have lost SUP4 gene acquire _____ pigment and are visibly distinguishable from others.
  ক

  red

  খ

  blue

  গ

  green

  ঘ

  pink
• Phosphoribosyl amino-imidazole carboxylase is a component of _______ biosynthesis pathway.
  ক

  pyrimidine

  খ

  purine

  গ

  both purine and pyrimidine

  ঘ

  only adenine
• Loss of SUP4 abolishes canavanine uptake, it is arginine analogue.
  ক

  True

  খ

  False
• CAN1 gene encodes a permease that causes uptake of _________ analogue.
  ক

  toxic guanidine

  খ

  toxic arginine

  গ

  non-toxic guanidine

  ঘ

  non-toxic arginine
• One of the commonly used markers is the URA3 gene. It encodes for ______ biosynthesis.
  ক

  adenine

  খ

  uracil

  গ

  guanine

  ঘ

  cytosine