If T = 40%, C = 10% then G = ? in a pollen cell

(1) 40%

(2) 10%

(3) 91%

(4) 20%

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Translocase is an enzyme required for

(1) DNA replication

(2) RNA synthesis

(3) initiation of protein synthesis

(4) protein synthesis chain elongation

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Centre of DNA Fingerprinting and Diagnostics (CDFD) is located at

(1) Delhi

(2) Chennai

(3) Kolkata

(4) Hyderabad

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In a bacterium, the amount of adenine was found to be 18 per cent. Suggest the cytosine base composition from the following

(1) 64%

(2) 36%

(3) 32%

(4) 18%

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In which of the following combinations, the compounds in ascending order based on their molecular weights are arranged?

(a) DNA, RNA, AMP, ADP, ATP

(b) DNA, RNA, ATP, ADP, AMP

(c) AMP, ADP, ATP, RNA, DNA

(d) AMP, ATP, ADP, DNA, RNA

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If a segment of an mRNA molecule has the sequence 5’ GUACCGAUCG 3’, which of the following could have been the template DNA molecule?

(1) 3’ GCUAGCCAUG 5’

(2) 3’ GUACCGAUCG 5’

(3) 3’ CATGGCTAGC 5’

(4) 3’ CGATCGGTAC 5’

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This method of finding a gene is used when researchers know very little about the gene they are trying to find. This process results in a complete gene library: a collection of copies of DNA fragments that represent the entire genome of an organism.

(1) Cloning

(2) Shotgun cloning

(3) Gene synthesis cloning

(4) PCR

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In prokaryotes, the process of replication is catalysed by the following enzymes. Identify which of the enzymes is best coordinate with the role.

(1) Helicase

 –

Joins the ends of DNA segments

(2) DNA polymerase-I

 –

Synthesises DNA

(3) DNA polymerase-II

 –

Erases primer and fills gaps

(4) Primase

 –

Synthesises RNA primers

 

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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

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Which of the following is a genetic material?
(A)Dideoxyribo nucleic acid
(B)Deoxyribo nucleic acid
(C)Deoxyribulose nucleic acid
(D)Deoxyribosome nucleic acid

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