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

a) The polymerization machinery consists of fifty proteins and two RNA molecules

b) Overall molecular mass 2.5 megadalton

c) Occurs at a slow pace of only 2 - 20 amino acids per second

d) In eukaryotes the process occurs in the cytoplasm

2. Ribosome begins its translation at the 3' end of the mRNA in prokaryotes.

a) True

b) False

3. Check which one of the following mechanisms is wrongly paired with its location of occurrence?

a) Transcription - nucleus

b) Post transcriptional mechanism - ER

c) Translation - cytoplasm

d) Post translational mechanism - ER

4. With respect to the subunits of ribosome which of the following is wrongly paired?

a) Ribosome = rRNA + protein

b) Large subunit = decoding center

c) Small subunit = decoding center

d) Subunit sedimentation unit = Svedberg

5. An mRNA bearing multiple ribosomes is known as______________

a) Small subunit-mRNA-initiator tRNA complex

b) mRNA ribosome complex

c) Polyamine-ribosome complex

d) Polysome

6. What is the actual substrate for each round of amino acid addition?

a) Ribosome

b) Amino acid

c) mRNA

d) tRNA

7. The reaction to form a new peptide bond is known as the peptidyl transferase reaction.

a) True

b) False

8. Where does ribosome gets the energy for the formation of peptide bond?

a) Breaking of the keto bond

b) Breaking of acyl bond

c) Simultaneous hydrolysis of ATP

d) Energy released during peptidyl transferase reaction

9. With respect to the mRNA - ribosome complex for translation mechanism which of the following pair is wrong?

a) Small subunit - decoding center

b) A site - aminoacylated tRNA binding site

c) P site - peptidyl tRNA binding site

d) E site - polypeptide exit site