Quiz on Protein Synthesis

Multiple Choice Quiz on Protein Synthesis
This quiz is designed to assess your  knowledge in ‘Protein Synthesis’. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.

1. If mRNA codon is 5'AUG 3', then the tRNA anticodon will be
2. In amino acid activation, the activated amino acid attach to the 3' end of the tRNA through
3. Which is the bond that joins amino acid with tRNA?
H bond
Di sulphide bond
ionic bond
ester bond
4. The ribosome binding site on mRNA in prokaryotes is called Shine-Dalgarno sequence which is
5. The 40S preinitiation complex in eukaryotes consists of
40S subunit-Met tRNA Met-eIF1-GTP
40S subunit-Met tRNA Met-eIF2-GTP
40S subunit-Ala tRNA Ala-eIF3-GTP
40S subunit-Met tRNA Met-eIF4B-ATP
6. The Aminoacyl A-site and Peptidyl P-site are located on
A site in smaller subunit and P site in larger subunit
Smaller subunit
larger subunit
P site in smaller subunit and A site in larger subunit
7. Which of the following factors are required for binding of 30S and 50S subunits of ribosomes?
GTP and Mg2+
ATP and Mg2+
GTP and K+
ATP and K+
8. Which of the following is correct about termination of protein synthesis in Eukaryotes?
Termination occurs when stop codon on mRNA reaches the A site of ribosome
RF1 and RF2 releases formed polypeptide from P site
Peptidyl transferase catalyses release of polypeptide chain from P site
All of the above
9. The number of ATP and GTP required for addition of an aminoacid to a polypeptide chain is
1 ATP and 1 GTP
1 ATP and 2 GTPs
2 ATPs and 1 GTP
2 ATPs and 2 GTPs
10. How many different amino acyl tRNA synthetase enzymes are required for translation?
Score =
Correct answers:
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