Ribosomes Read the Genetic Code MCQ

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

• How many channels are present in the ribosome?
  ক

  2

  খ

  3

  গ

  4

  ঘ

  5
• Only a single stranded RNA can pass through the ribosome for decoding.
  ক

  True

  খ

  False
• With respect to the mRNA – ribosome complex for translation mechanism which of the following pair is wrong?
  ক

  Small subunit – decoding center

  খ

  A site – aminoacylated tRNA binding site

  গ

  P site – peptidyl tRNA binding site

  ঘ

  E site – polypeptide exit site
• Where does ribosome gets the energy for the formation of peptide bond?
  ক

  Breaking of the keto bond

  খ

  Breaking of acyl bond

  গ

  Simultaneous hydrolysis of ATP

  ঘ

  Energy released during peptidyl transferase reaction
• The reaction to form a new peptide bond is known as the peptidyl transferase reaction.
  ক

  True

  খ

  False
• What is the actual substrate for each round of amino acid addition?
  ক

  Ribosome

  খ

  Amino acid

  গ

  mRNA

  ঘ

  tRNA
• An mRNA bearing multiple ribosomes is known as______________
  ক

  Small subunit-mRNA-initiator tRNA complex

  খ

  mRNA ribosome complex

  গ

  Polyamine-ribosome complex

  ঘ

  Polysome
• With respect to the subunits of ribosome which of the following is wrongly paired?
  ক

  Ribosome = rRNA + protein

  খ

  Large subunit = decoding center

  গ

  Small subunit = decoding center

  ঘ

  Subunit sedimentation unit = Svedberg
• Check which one of the following mechanisms is wrongly paired with its location of occurrence?
  ক

  Transcription – nucleus

  খ

  Post transcriptional mechanism – ER

  গ

  Translation – cytoplasm

  ঘ

  Post translational mechanism – ER
• Ribosome begins its translation at the 3’ end of the mRNA in prokaryotes.
  ক

  True

  খ

  False
• With respect to polymerization of amino acids which of the following statements is wrong?
  ক

  The polymerization machinery consists of fifty proteins and two RNA molecules

  খ

  Overall molecular mass 2.5 megadalton

  গ

  Occurs at a slow pace of only 2 – 20 amino acids per second

  ঘ

  In eukaryotes the process occurs in the cytoplasm