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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.

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 :

  Sutton-Boveri Hypothesis

  the Wobble Hypothesis

  the Levene's Hypothesis

  the Monkey-Man Hypothesis

  Half-n-half Clue
 

2.

Every polypeptide chain formed in translation starts with the amino acid :

  lysine

  methionine

  alanine

  serine

  Half-n-half Clue
 

3.

In prokaryotic mRNA, a particular base sequence (AGGAGGU) exists near the AUG start codon. This sequence which is sometimes referred to as the ribosome binding site is known as :

  a Shine Dalgarno sequence

  a Kozak's consensus sequence

  a promoter sequence

  a trailer sequence

  Half-n-half Clue
 

4.

Prokaryotes use 70S ribosomes which consist of :

  a (small) 30S and a (large) 50S subunit

  a (small) 10S and a (large) 60S subunit

  a (small) 40S and a (large) 60S subunit

  a (small) 40S and a (large) 30S subunit

  Half-n-half Clue
 

5.

Which of the following is not a stop codon ?

  GUA

  UGA

  UAG

  UAA

  Half-n-half Clue
 

6.

If the mammalian genetic code were a four letter code, then it would have the potential to encode...

  64 amino acids

  128 amino acids

  216 amino acids

  256 amino acids

  Half-n-half Clue
 

7.

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

  leucine

  lysine

  glycine

  methionine

  Half-n-half Clue
 

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