Discussion
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- Question
Two features of the tRNA molecule associated, in converting the triplet codon to an amino acid, are
Options- A. in the T Loop and D stem and loop
- B. in the anticodon loop and D stem loop
- C. in the anticodon loop and the 3' CCA end
- D. none of the above
- Correct Answer
- in the anticodon loop and the 3' CCA end
- 1. RNA instability in alkaline solutions is due to
Options- A. adenine
- B. ribose
- C. uracil
- D. single strand nature Discuss
- 2. The genetic material of retroviruses such as HIV is
Options- A. DNA
- B. RNA
- C. protein
- D. all of these Discuss
- 3. A nicked RNA molecule can be ligated by
Options- A. T4 RNA ligase
- B. DNA polymerase
- C. T4 DNA ligase
- D. all of these Discuss
- 4. What modified base is at the 5' extremity of a capped eukaryotic m-RNA?
Options- A. 1-methyl-adenosine
- B. 2'-O-methyl-guanosine
- C. 7-methyl-guanosine
- D. 1-methyl-guanosine Discuss
- 5. The anticodon is a structure on
Options- A. mRNA.
- B. tRNA.
- C. aribosome.
- D. rRNA. Discuss
- 6. 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
- 7. 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
- 8. In RNA, uracil pairs with
Options- A. adenine
- B. cytosine
- C. thymine
- D. guanine Discuss
- 9. 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
- 10. 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
RNA Structure problems
Search Results
Correct Answer: ribose
Correct Answer: RNA
Correct Answer: T4 DNA ligase
Correct Answer: 7-methyl-guanosine
Correct Answer: tRNA.
Correct Answer: all of the above
Correct Answer: 5'-Gp Cp Up Ap-3'
Correct Answer: adenine
Correct Answer: Human insulin
Correct Answer: 80 bp
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