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The diagram represents the schematic structure of a transcription unit. Choose the correct combination of labelling:Question Image

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Important Questions on Molecular Basis of Inheritance

MEDIUM
Antibodies belonging to the Ig family are composed primarily of
EASY

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
The correct structure of Ruhemann's Purple, the compound formed in the reaction of Ninhydrin with proteins is:
HARD
Which one of the following is wrongly matched?
HARD
Explain the difference between DNA and RNA.
HARD
Define transcription. Explain the process of transcription in bacteria with suitable diagram.
EASY
For the given sequence of DNA, identify the complementary sequence of bases on its mRNA from the options given below:
DNA 3' -ATGCATGCATGC - 5'
EASY

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

MEDIUM
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
MEDIUM
Observation of "Rhumann's purple" is a confirmatory test for the presence of:
HARD

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Write a possible RNA strand that can be transcribed from the above DNA molecule formed.

MEDIUM
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.
HARD
Describe post transcriptional processing of RNA in eukaryotes.
MEDIUM
Explain the central dogma concept with a chart.
HARD
What is the difference between exons and introns.
EASY

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

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