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Translation


This quiz is based on the process of translating mRNA (produced in the nucleus) into protein.

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1.

Most amino acids are encoded by more than one codon except tryptophan and :

  leucine

  lysine

  methionine

  glycine

  Half-n-half Clue
 

2.

Some tRNAs can recognize more than one codon because there is a relaxation of the complementation rule of base pairing between the anticodon and codon in the third position (of the codon sequence). This relaxation is called :

  the Levene's Hypothesis

  the Monkey-Man Hypothesis

  Sutton-Boveri Hypothesis

  the Wobble Hypothesis

  Half-n-half Clue
 

3.

A sequence of about 5 to 20 bases seperating one stop codon from the next start codon in a polycistronic prokaryotic mRNA molecule is called :

  a poly-A-tail

  a Shine Dalgarno sequence

  a spacer

  a transposon

  Half-n-half Clue
 

4.

Which of the following pairs of codons encode the same protein ?

  AUG and AUC

  UAG and UAC

  UAA and UAC

  GUA and GUG

  Half-n-half Clue
 

5.

The movement of peptidyl tRNA from the A site to the P site (of the larger ribosomal subunit) and the movement of mRNA in relation to the ribosome is called :

  elongation

  dislocation

  RNA processing

  translocation

  Half-n-half Clue
 

6.

The enzyme that forms a peptide bond between adjacent amino acids in the ribosome during translation is called :

  Deiodinase

  Phospholipase

  Diastase

  peptidyl transferase

  Half-n-half Clue
 

7.

How many amino acids are encoded by the following mRNA sequence : UAUCAUCCACUUGGUUGA ?

  7

  6

  5

  4

  Half-n-half Clue
 


 
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