The diagram shows an important concept in the genetic implication of DNA. Fill in the blanks A to C
(1) A-transcription, B-replication, C-James Watson
(2) A-translation, B-transcription, C-Ervin Chargaff
(3) A-transcription, B-translation, C-Francis Crick
(4) A-translation, B-extension, C-Rosalind Franklin
The process of RNA splicing shows the dominance of :
(1) DNA world
(2) RNA world
(3) Protein world
(4) Microbial world
If one strand of DNA has the nitrogenous base sequence as ATCTG, what would be the complementary RNA strand sequence?
(1) TTAGU
(2) UAGAC
(3) AACTG
(4) ATCGU
In RNA splicing :
(1) Exons are removed and introns are joined together
(2) Introns are removed and exons are joined together
(3) Cistrons are removed and introns are joined together
(4) Introns are removed and Cistrons are joined together
What initiation and termination factors are involved in transcription in prokaryotes?
1. , respectively
2. , respectively
3. , respectively
4. , respectively
hn-RNA undergoes two additional processing. Out of which, in one of them an unusual nucleotide (methyl guanosine triphosphate) is added to the 5’-end of hnRNA. This is known as
(1) capping
(2) tailing
(3) splicing
(4) termination
In eukaryotes which of the following is removed from initially transcribed RNA before it is transported to the cytoplasm for translation ?
(1) Intron
(2) 3' Poly A tail
(3) Ribosome binding site
(4) 5' cap
Match column-I with column-II and choose the
correct option
Column-I Column-II
a. RNA polymerase I (i) hnRNA
b. RNA polymerase II (ii) tRNA
c. RNA polymerase III (iii) 28 S rRNA
1. a(iii), b(ii), c(i)
2. a(iii), b(i), c(ii)
3. a(i), b(ii), c(iii)
4. a(ii), b(iii), c(i)
The main enzyme of transcription
1. DNA dependent DNA polymerase
2. DNA dependent RNA polymerase
3. RNA dependent RNA polymerase
4. RNA dependent DNA polymerase
Select the correct option:
Direction of RNA synthesis |
Direction of reading of the template DNA strand |
|
1. | 5'-3' | 3' - 5' |
2. | 3'-5' | 5' - 3' |
3. | 5' - 3' | 5' - 3' |
4. | 3' - 5' | 3' - 5' |
1. | 1 | 2. | 2 |
3. | 3 | 4. | 4 |