Quiz 10. Molecular Basis of Inheritance

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It includes Transcription Part 3

Name *

1 point

Match both column of enzymes with their functions *

3 points

Transcription of precursor of mRNA, (hnRNA)

Transcription of tRNA, 5S rRNA

Transcription of rRNA (28S, 18S, 5.8S)

RNA polymerase I

RNA polymerase II

RNA polymerase III

hnRNA undergoes additional processing except one is
*

1 point

Capping

Splicing

Exons joining

Tailing

In eukaryotes RNA polymerase III catalyze the synthesis of *

1 point

tRNA, 5S rRNA, snRNAs

rRNA and 5S RNA

rRNAs - 28S, 18S, and 5.8S

Precursor of mRNA

In capping an unusual nucleotide ............ is added to .....
*

1 point

Ethyl guanosine triphosphate to 3'

Methyl guanosine triphosphate to 5'

Methyl guanosine triphosphate to 3'

Methyl guanosine monophosphate to 5'

In eukaryotes RNA polymerase - I catalyze the synthesis of *

1 point

tRNA

rRNA and 5S RNA

rRNA - 28S, 18S, and 5.8S

hnRNA

Identify the figure and match both column *

4 points

Sigma factor

Rho factor

DNA polymerase

RNA polymerase

Termination

Elongation

Polymerisation

In tailing, ............. residues (200-300) are added to ..........
*

1 point

Adenylate to 5'

Adenylate to 3'

Adenosine to 5'

Adenosine to 3'

A fully processed hnRNA is called as *

1 point

rRNA

tRNA

mRNA

snRNA

The split-gene arrangements represent probably a/an
*

1 point

Bacterial genome

Ancient feature of the genome

Origin of life

Evolution of human

The presence of introns is ......
*

1 point

Bacterial evolution

Reminiscent of antiquity

Evidence of organic evolution

Dominance of RNA world

Polyadenylation is ...... *

1 point

Addition of 200 -300 Adenosine to 3'

Addition of 200 -300 Adenylate to 5'

Addition of 200 -300 Adenylate to 3'

Addition of 200 -300 Adonylate to 3'

Which factor helps in termination of transcription ? *

1 point

Sigma factor

Alpha factor

Gamma factor

Rho factor

Which enzyme transcribe which RNA, match both column ? *

3 points

tRNA

rRNA

hnRNA

RNA polymerase I

RNA polymerase II

RNA polymerase III

In eukaryotes RNA polymerase II catalyze the synthesis of *

1 point

tRNA

rRNA and 5S RNA

rRNA - 28S, 18S, and 5.8S

hnRNA, precursor of mRNA

Process of transcription in bacteria involves *

1 point

Initiation, polyadenylation, capping

Initiation, elongation, capping

Initiation, polyadenylation, termination

Initiation, elongation, termination

Post transcriptional modification in eukaryotes includes *

1 point

Encoding, capping , tailing

Splicing, capping , tailing

Encoding, capping , Termination

Decoding, capping , tailing

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