If the sequence of bases in the coding strand of a double stranded DNA is 5’-GTTCGAGTC-3’, the sequence of bases in its transcript will be
(1) 5’-GACUCGAAC-3’
(2) 5’-CAAGCUCAG-3’
(3) 5’-GUUCGAGUC-3’
(4) 5’-CUGAGCUUG-3’
Match the triplet codons listed in column I with their amino acids mentioned in column II and select the correct option from the given codes.
Column I |
Column II |
A. GGG |
(i) Proline |
B. UUU |
(ii) Glycine |
C. CCC |
(iii) Arginine |
D. AAA |
(iv) Phenylalanine |
|
(v) Lysine |
(1) A-(v), B-(iii), C-(i), D-(ii)
(2) A-(v), B-(iii), C-(i), D-(iv)
(3) A-(ii), B-(iv), C-(i), D-(v)
(4) A-(i), B-(ii), C-(iii), D-(iv)
AUG codes for
(1) valine
(2) histidine
(3) phenylalanine
(4) methionine
In the lac operon model, lactose molecules function as:-
(1) inducers, which bind with the operator
gne
(2) repressors, which bind with the operator
gene
(3) inducers, which bind with the repressor
protein
(4) corepressors, which bind with repressors
protein
hn-RNA undergoes two additional processing. Out of which, in one of them an unusual nucleotide (methyl guanosine triphosphate) is added to the 5’-end of hnRNA. This is known as
(1) capping
(2) tailing
(3) splicing
(4) termination
Which of the following is a genetic material?
(1)Dideoxyribo nucleic acid
(2)Deoxyribo nucleic acid
(3)Deoxyribulose nucleic acid
(4)Deoxyribosome nucleic acid
Polymerisation of which of the following produces Nucleic acids?
(1)Nucleosides
(2)Nucleotides
(3)DNA and RNA
(4)Both 1 and 2
Which of the following is a genetic material in most of the organisms?
(1)DNA
(2)RNA
(3)Both DNA and RNA
(4)Nucleic Acid
Which of the following can act as genetic material?
(1)RNA only
(2)DNA only
(3)DNA but not RNA
(4)DNA and RNA
RNA can act as
(1)Adapter molecule
(2)Catalytic molecule as well as Genetic material
(3)Structural molecule
(4)All of the above