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Gel electrophoresis is used for

Isolation of DNA molecule
Cutting of DNA into fragments
Separation of DNA fragments according to their size
Construction of recombinant DNA by joining with cloning vectors
Additional Questions

Which of the following is structural subunit of DNA?

Answer

A gene of operon which synthesizes a repressor protein is ______.

Answer

RNA polymerase is only capable of catalyzing the process of ______.

Answer

What is not true for genetic code?

Answer

The Segments of DNA, capable of moving from one location to another are

Answer

Assertion: Replication and transcription occur in the nucleus but translation occurs in the cytoplasm.

Reason: mRNA is transferred from the nucleus into the cytoplasm where ribosomes and amino acids are available for protein synthesis.

Answer

PCR and Restriction Fragment Length Polymorphism are the methods for

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Assertion: Amber codon is a termination codon.

Reason: If in a mRNA, a termination codon is present, the protein synthesis stops abruptly whether the protein synthesis is complete or not.

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Whose experiments cracked the DNA and discovered unequivocally that a genetic code is a ‘‘triplet'?

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Removal of introns and joining of exons in a defined order during transcription is called

Answer
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