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What is the difference between hnRNA and mRNA?

Important Questions on Molecular Basis of Inheritance

EASY

Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

In Prokaryotes the transcription of

DNA

is initiated with the help of

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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

Two of the following statements are correctly defined. Identify the correct combination

i) Conversion of hnRNA to mRNA - processing

ii) Removal of introns and joining of exons - splicing

iii) Addition of adenylate residues to $3'$ - end in a template dependent manner - Tailing

iv) Methyl adenosine triphosphate is added to $5'$ - end of hnRNA - capping

EASY

Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

Match the animals of Column $I$ with Column $II$ and select the correct options among the following:

	Column- $I$		Column- $II$
$1 .$	$DNA$ replication	$I$	$RNA$ polymerase
$2 .$	Translation	$II$	$DNA$ polymerase
$3 .$	Translation	$III$	Reverse transcriptase
$4 .$	Transcription	$IV$	Aminoacyl synthetase

Select the code for the correct answer from the options given below.

MEDIUM

Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

What is the role of RNA polymerase III in the process of transcription in eukaryotes?

MEDIUM

Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

Select the correct option:

MEDIUM

Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

If the sequence of nucleotides in a temperate strand of DNA is

3' ATGCTTCCGAAT 5'

, write the sequence in the corresponding region of the transcribed

m - RNA

EASY

Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

In the given transcription unit, identify the regions $I$ and $II$ respectively. Coding strand

Question Image

MEDIUM

Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

Identify the correct statement.

HARD

Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

Which one of the following is wrongly matched?

EASY

Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

Name the enzyme that facilitates opening of DNA helix during transcription.

MEDIUM

Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

Identify the correct statement.

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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

DNA-dependent RNA polymerase catalyzes transcription on one strand of the DNA, which is called the:

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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

Which is the "Only enzyme" that has "Capability" to catalyse Initiation, Elongation and Termination in the process of transcription in prokaryotes?

EASY

Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

Which ONE of the following polymerases transcribes

5 S rRNA ?

MEDIUM

Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

Choose the wrong statements
A) Expressed sequences of eukaryotic genes are exons
B) Intervening gene sequences of eukaryotes that do not appear in processed RNA are cistrons
C) Process of removal of introns and joining of exons in defined order is splicing
D) Monocistronic transcriptional unit has only exons

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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

Rho factor is associated with:

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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

RNA polymerase III transcribes