Tailing of hnRNA takes place in a

(1)template dependent manner

(2) template independent manner

(3) random manner

(4)all of the above

In eukaryotes the process of splicing does not involve

(1)removal of introns only

(2)removal of introns and joining of exons

(3)capping at 5’end

(4)tailing at 3’end

The process of splicing involves represents the dominance of

(1)DNA world

(2)RNA world

(3)Protein world

(4)Nucleic Acid world

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

(1) Transcription

(2) Replication

(3) Translation

(4) All of the above

Which of the following is not true statement?

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

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

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

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

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

(1)RNA Polymerase

(2)RNA primase

(3)polynucleotide phosphorylase

(4)RNA phosphatase

codons are generated by 4 nitrogenous bases using laws of

(1)Probability

(2)Number system

(3)Permutation and combination

(4)Binomial theorem

How many statements are correct?

(1) 5

(2) 2

(3) 3

(4) 4

Codon is

(1)unambiguous and non specific

(2)non degenerate

(3)unambiguous and degenerate

(4)non universal and non degenerate

Which of the following is incorrect concerning sickle cell anemia

(1) A change of a single base pair in the gene results in a change of amino acid 

(2) Charged amino acid is changed to a non-polar amino acid

(3) Amino acid residue glutamine is changed to valine

(4) Sickle cell anemia is an example of point mutation