Discussion
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- Question
The pathway of a tRNA during polypeptide elongation on the ribosome is
Options- A. A site ? P site ? E site
- B. P site ? entry site ? exit site
- C. A site ? P site ? entry site
- D. P site ? A site ? E site
- Correct Answer
- A site ? P site ? E site
- 1. Translation in prokaryotes begins by the formation of a 30S initiation complex between the
Options- A. 30S ribosomal subunit, mRNA, initiation factors and N-fMet tRNA
- B. 30S ribosomal subunit, tRNA and initiation factors
- C. 30S ribosomal subunit and mRNA only
- D. 30S ribosomal subunit, mRNA and initiation factors Discuss
- 2. The anticodon of tRNA
Options- A. binds to rRNA
- B. binds to an amino acid
- C. binds to the Shine Dalgarno sequence
- D. binds to an mRNA codon Discuss
- 3. Which of the following is not a necessary component of translation?
Options- A. Anticodon
- B. mRNA
- C. Ligase
- D. Amino acid Discuss
- 4. Which of the following is not necessary for protein synthesis to occur, once transcription is completed?
Options- A. tRNA
- B. Ribosomes
- C. mRNA
- D. DNA Discuss
- 5. The site on a bacterial chromosome that marks the termination point for chromosome replication is called
Options- A. ter
- B. a stop codon.
- C. a stem-loop
- D. pau Discuss
- 6. Proteins contain __________ different amino acids, whereas DNA and RNA are composed of __________ different nucleotides
Options- A. 20,64
- B. 3,20
- C. 4,20
- D. 20,4 Discuss
- 7. The first step in translation is
Options- A. binding of the two ribosomal subunits to each other
- B. binding of mRNA to the two ribosomal subunits
- C. binding of tRNA to the small ribosomal subunit
- D. binding of mRNA to the small ribosomal subunit Discuss
- 8. Which of the following RNAs bind to an amino acid?
Options- A. mRNA
- B. tRNA
- C. rRNA
- D. hnRNA Discuss
- 9. A polysome could be best described as
Options- A. an active site of DNA synthesis.
- B. an active site of protein synthesis.
- C. an active site of lipid synthesis.
- D. all of the above. Discuss
- 10. On the ribosome, mRNA binds
Options- A. between the subunits
- B. to the large subunit
- C. to the small subunit
- D. none of these Discuss
Protein Synthesis problems
Search Results
Correct Answer: 30S ribosomal subunit, mRNA, initiation factors and N-fMet tRNA
Correct Answer: binds to an mRNA codon
Correct Answer: Ligase
Correct Answer: DNA
Correct Answer: ter
Correct Answer: 20,4
Correct Answer: binding of mRNA to the small ribosomal subunit
Correct Answer: tRNA
Correct Answer: an active site of protein synthesis.
Correct Answer: to the small subunit
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