Protein Synthesis MCQs | Protein Synthesis Multiple Choice Questions and Answers

Sports GK Questions and Answers 2024 (Latest Updated)

Awards & Honours GK Questions 2024 (Latest Updated)

Questions
1 Conversion of messages carried by mRNA into amino acid sequences is called___________
A Translation
B Transcription
C Replication
D DNA repair

Answer: Translation
2 The following set of RNA is required in the translation process except one, mark the INCORRECT?
A tRNA
B mRNA
C rRNA
D Si RNA

Answer: Si RNA
Advertisement
Article and Schedule Quiz Start Test!
DOWNLOAD CURRENT AFFAIRS PDF FROM APP
3 Name the sequence of RNA, which is recognized by a small subunit of the ribosome.
A Shine Dalgarno sequence
B Rho utilization site
C Upstream sequence
D Downstream sequence

Answer: Shine Dalgarno sequence
4 Which of the following is considered as a start codon?
A AGG
B GUG
C UAG
D AUG

Answer: AUG
5 Mark the one, which is NOT a stop codon?
A GGA
B UAG
C UAA
D UGA

Answer: GGA
6 Which of the following recognize a specific amino acid and its cognate t-RNA molecule?
A t-RNA synthetase
B Topoisomerase
C Ribososme
D r-RNA

Answer: t-RNA synthetase
7 Which of the following inhibitor block translation in eukaryotes?
A Tetracycline
B Puromycin
C Cyclohexamine
D None of these

Answer: Cyclohexamine
8 Name the drug which inhibits the initiation step of translation.
A Streptomycin
B Cyclohexamine
C Tetracycline
D Ricin

Answer: Streptomycin
9 What is correct for protein synthesis?
A DNA coding takes place in antiparallel fashion
B codes transfer on tRNA
C coding is done by DNA strands
D codes transfer on mRNA

Answer: codes transfer on mRNA
10 Reverse transcriptase is
A RNA dependent DNA polymerase
B RNA dependent RNA polymerase
C DNA dependent DNA polymerase
D DNA dependent RNA polymerase

Answer: RNA dependent DNA polymerase
11 Which of the following inactivates the 60S subunit of eukaryotic ribosomes?
A Ricin
B Chloramphenicol
C Diphtheria toxin
D Cycloheximide

Answer: Ricin
12 Which is the third elongation step in bacteria?
A Translocation
B Binding of an incoming aminoacyl t-RNA
C Peptide bond formation
D None of above

Answer: Translocation
13 The role of mRNA in protein synthesis is
A It provides genetic blueprint for the protein
B It catalyzes the process
C It translates genetic code to a specific amino acid
D It modifies mRNA molecules prior to protein synthesis

Answer: It provides genetic blueprint for the protein
14 The role of small nuclear RNAs in protein synthesis is
A It modifies mRNA molecules prior to protein synthesis
B It translates genetic code to a specific amino acid
C It provides genetic blueprint for the protein
D It catalyzes the process

Answer: It modifies mRNA molecules prior to protein synthesis
15 The eukaryotic mRNA binding to the ribosomes is facilitated by
A 7-methyl guanosine cap
B Shine Dalgarno sequence
C T-RNA
D Poly-A tail

Answer: 7-methyl guanosine cap
16 Which of the following blocks the peptidyl transferase of 80S eukaryotic ribosomes?
A Cycloheximide
B Ricin
C Diphtheria toxin
D Chloramphenicol

Answer: Cycloheximide
17 Protein synthesis refers to the
A process of formation of amino acids from mRNA
B process of formation of amino acids directly from a DNA template
C process of formation of mRNA from DNA template
D Process of duplicating DNA required for protein synthesis

Answer: process of formation of amino acids from mRNA
18 Which of the following is not a requirement for protein synthesis?
A Spliceosome
B Ribosomes
C peptidyl transfrase
D amino acyl-tRNA synthetase

Answer: Spliceosome
19 Which is the source of energy for amino acid activation?
A ATP
B TTP
C GTP
D All the above

Answer: ATP
20 Which of the following statement is correct?
A Activated amino acid binds to the 5’ end of respective tRNA molecule
B there is only one amino acyl-tRNA synthetase in a cell
C CTP is required for amino acid activation
D Termination codon has no tRNA

Answer: Termination codon has no tRNA

Random GK Questions

Q. Which among the following helps in circulation of blood?
Q. Fundamental Duties were added to the Constitution by
Q. Who is referred to as the Supreme Commander of Forces in India?
Q. Which one of the following four secretions is different from the remaining three in regard to its mode of transport from the source gland to the site of action?
Q. The preparation of National Income Estimates is the responsibility of the
Q. The system of judicial review originated in :
Assam Direct Recruitment Test Series

Teacher Eligibility Test

Assam Direct Recruitment Test Series