21. Multiplication of DNA is called
22. Which is the smallest RNA ?
23. Genetic information are transfered from nucleus to cytoplasm of cell through
24. The information from RNA to DNA are transfered by which process
A. Replication
B. Transcription
C. Translation
D. Reverse transcription
Answer : Option D
Which statement is correct ?
(A) Degeneracy of code is related to third member of codon
(B) Single codon, codes for more than one aminoacid
(C) In codon first two bases are more specific
(D) In codons third base is wobble
(E) code is universal
26. DNA molecule has uniform diameter due to ?
A. Double stranded
B. Presence of phosphate
C. Specific base pairing between purine and pyrimidine
D. Specific base pairing between purine and purine
Answer : Option C
27. In a transcription unit promotor is said to be located towards
A. \(3^{1}\) end of structural gene
B. \(5^{1}\) end of structural gene
C. \(5^{1}\) end of template strand
D. \(3^{1}\) end of template strand
Answer : Option D
28. In DNA replication the primer is
A. A Small deoxyribonucleotide polymer
B. A small ribonucleotide polymer
C. Helix destalilizing protein
D. Enzyme taking part in joining nucleotides of new strands
Answer : Option B
29. Non - sense codons take part in
A. formation of unspecified aminoacids
B. Terminating message of gene controlled protein synthesis
C. Releasing t-RNA from polynucleotide chain
D. Conversion of sense DNA in to non-sense one
Answer : Option B
30. Select the correct sequence of following in DNA replication
A. single stranded binding proteins - Helicase - Topoisomerase - DNA polymerase
B. Helicase - single stranded binding proteins -Topoisomerase - DNA polymerase
C. Helicase - DNA polymerase - Topoisomerase - Single stranded binding proteins
D. Helicase - Topoisomerase - DNA polymerase - Single stranded binding proteins
Answer : Option B