tRNA acts as
(1) adapter RNA
(2) structural RNA
(3) matured RNA
(4) messenger RNA
Which of the following acts as a ribozyme for peptide bond formation in bacteria?
(1) 5s rRNA
(2) 23s rRNA
(3) 16s rRNA
(4) 5.1s rRNA
Transcription and translation can be coupled in:
(1) Bacteria
(2) Yeast
(3) Plants
(4) Animals
tRNA looks like
(1) clover-leaf
(2) L shaped
(3) inverted L shaped
(4) a and c
Which is correct about tRNA
1. It has amino acid acceptor end
2. It has codon loop
3. It has 2 strands
4. There are 64 tRNA for 64 codons
Match the columns with respect to the process of translation:
Column I | Column II | ||
(a) | UTR | (i) | Catalyst |
(b) | rRNA | (ii) | Template |
(c) | mRNA | (iii) | Reads the genetic code |
(d) | tRNA | (iv) | For efficiency |
(a) | (b) | (c) | (d) | |
1. | (i) | (ii) | (iii) | (iv) |
2. | (iv) | (i) | (ii) | (iii) |
3. | (iv) | (iii) | (ii) | (i) |
4. | (ii) | (iii) | (iv) | (i) |
UTRs are required for efficient translation, which are present on
1. 3' mRNA
2. 5' mRNA
3. TC region of tRNA
4. Both (1) & (2)
In which of the following process nucleic acid is not copied to nucleic acid
(1) Transcription
(2) Replication
(3) Translation
(4) All of the above
Untranslated regions (UTRs) are present
(1) before and after the stop codon
(2) after the start codon and before the stop codon
(3) before and after the start codon
(4) before the start codon and after the stop codon
Which of the following set of options is used in translation?
(1) hnRNA, tRNA, rRNA
(2) mRNA, tRNA, rRNA
(3) mRNA, tRNA, hnRNA
(4) hnRNA, rRNA, tRNA