Discussion
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- Question
Which of the following is the smallest of the RNAs?
Options- A. Messenger RNA
- B. Transfer RNAs
- C. Ribosomal RNAs
- D. All of these
- Correct Answer
- Transfer RNAs
- 1. What is the average size (in bp) of a mature t-RNA?
Options- A. 80 bp
- B. 100 bp
- C. 120 bp
- D. 140 bp Discuss
- 2. The mRNA from which of the following would contain a poly-A tail?
Options- A. A restriction endonuclease from E. coli
- B. Bacterial alpha-amylase
- C. Human insulin
- D. Bacteriophage DNA ligase Discuss
- 3. In RNA, uracil pairs with
Options- A. adenine
- B. cytosine
- C. thymine
- D. guanine Discuss
- 4. During RNA synthesis, the DNA template sequence 5'Tp Ap Gp Cp 3' Would be transcribed to produce which of the following RNA sequence?
Options- A. 5'-Ap Tp Cp Gp-3'
- B. 5'-Gp Cp Up Ap-3'
- C. 5'-Gp Cp Tp Ap-3'
- D. 5'-Ap Up Cp Gp-3' Discuss
- 5. The tertiary structure of yeast tRNA
Options- A. involves extensive base stacking interactions
- B. resembles the 3-dimensional structure of other tRNAs
- C. is maintained mostly by non-Watson-Crick base pairing
- D. all of the above Discuss
- 6. The peptidyl transferase reaction occurs
Options- A. on the large subunit
- B. on the small subunit
- C. between the subunit
- D. none of these Discuss
- 7. Which of the following amino acid starts all proteins synthesis?
Options- A. Glycine
- B. Proline
- C. Thymine
- D. Methionine Discuss
- 8. Degenerated codon differs mostly in
Options- A. the identities of their second base
- B. the identities of their third base
- C. the wobble position
- D. both (b) and (c) Discuss
- 9. The site of protein synthesis is
Options- A. Ribosome
- B. Nucleus
- C. Endoplasmic reticulum
- D. Chromosome Discuss
- 10. Which of the following has unusual bases?
Options- A. mRNA
- B. tRNA
- C. rRNA
- D. hnRNA Discuss
RNA Structure problems
Search Results
Correct Answer: 80 bp
Correct Answer: Human insulin
Correct Answer: adenine
Correct Answer: 5'-Gp Cp Up Ap-3'
Correct Answer: all of the above
Correct Answer: on the large subunit
Correct Answer: Methionine
Correct Answer: both (b) and (c)
Correct Answer: Ribosome
Correct Answer: tRNA
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