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A segment of DNA coding for a polypeptide, the structural gene in a transcription unit is called

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Important Questions on Molecular Basis of Inheritance

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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

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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.

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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription
What is the role of RNA polymerase III in the process of transcription in eukaryotes?
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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
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.
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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription

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

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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription
Elongation of the RNA polynucleotide chain always takes place:
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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
In eukaryotes, the entire base sequence of a gene do not appear in mature RNA because
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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
Select the correct option:
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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?
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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription
Which ONE of the following polymerases transcribes 5S rRNA?
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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription
Which one of the following is wrongly matched?
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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription
The equivalent of a structural gene is:
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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription
AGGTATCGCAT is a sequence from the coding strand of a gene. What will be the corresponding sequence of the transcribed mRNA?
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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription
For the given sequence of DNA, identify the complementary sequence of bases on its mRNA from the options given below:
DNA 3' -ATGCATGCATGC - 5'
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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription
Which one of the following is wrongly matched?
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Biology>Genetics and Evolution>Molecular Basis of Inheritance>Transcription
Spliceosomes are not found in cells of: