Tailing of hnRNA takes place in a

(a)template dependent manner

(b) template independent manner

(c) random manner

(d)all of the above

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In eukaryotes the process of splicing does not involve

(a)removal of introns only

(b)removal of introns and joining of exons

(c)capping at 5’end

(d)tailing at 3’end

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The process of splicing involves represents the dominance of

(a)DNA world

(b)RNA world

(c)Protein world

(d)Nucleic Acid world

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In which of the following process nucleic acid is not copied to nucleic acid

(a)Transcription

(b)Replication

(c)Translation

(d)all of the above

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Which of the following is not true statement?

(a)In translation, the transfer of genetic information from a polymer of nucleotides to a polymer of amino acids takes place.

(b)complementarity exist between nucleotide sequences and amino acids sequences.

(c)The basis for transcription and replication is complementarity.

(d) A change in nucleic acid is responsible for change in amino acid

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The proof for the triplet nature of codon was given by

(a)George Gamow

(b)Har Gobind Khorana

(c) Marshall Nirenberg’s

(d)Watson and Crick

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Which of the following enzyme can be used for the polymerisation of RNA in a template independent manner

(a)RNA Polymerase

(b)RNA primase

(c)polynucleotide phosphorylase

(d)RNA phosphatase

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codons are generated by 4 nitrogenous bases using laws of

(a)Probability

(b)Number system

(c)Permutation and combination

(d)Binomial theorem

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How many statements are correct?

    1. Codons are always triplet.
    2. there are total 64 codons code for amino acids.
    3. Codon is read in mRNA in non- contagious fashion.
    4. Code is nearly universal.
    5. Some amino acids are coded by more than one codon
    6. Codon is ambiguous

(A)5

(B)2

(C)3

(D)4

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Codon is

(a)unambiguous and non specific

(b)non degenerate

(c)unambiguous and degenerate

(d)non universal and non degenerate

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