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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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Multiple choice

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1.

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

  alanine

  lysine

  methionine

  serine

  Half-n-half Clue
 

2.

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

  256 amino acids

  64 amino acids

  216 amino acids

  128 amino acids

  Half-n-half Clue
 

3.

The base inosine is usually found in :

  hnRNA

  rRNA

  tRNA

  mRNA

  Half-n-half Clue
 

4.

tRNA molecules are linked to their respective amino acids by enzymes called :

  phenylalanine hydroxylases

  Ornithine decarboxylases

  beta-galactosidases

  aminoacyl-tRNA synthetases

  Half-n-half Clue
 

5.

Which of the following statements is correct ?

  Methionine is found at the N-terminus of nearly all newly synthesised eukaryotic proteins.

  Each mRNA molecule is usually translated into, hundreds of copies of a single polypeptide chain.

  In prokaryotes, both transcription and translation take place in the same part of the nucleus.

  All of the above.

  Half-n-half Clue
 

6.

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

  6

  4

  5

  7

  Half-n-half Clue
 

7.

The process of translating mRNA into protein occurs...

  within the nucleus

  inside the Peroxisomes

  at the ribosomes

  inside the Lysosomes

  Half-n-half Clue
 


 
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