In DNA replication , the two strands of a daughter DNA molecules are derived as follows
(A)one strands from parent DNA and the other freshly synthesized
(B)both strands from parent DNA
(C)both strands synthesized as templates on parent strands
(D) both strands synthesized on RNA templates of parent strands

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DNA replication in most organisms is
(A)conservative and continuous
(B)semi-conservative but discontinuous
(C)semi-conservative and semi-discontinuous
(D)semi-conservative but continuous

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Borne viruses do not have DNA. This suggests that
(A)They are non-infective viruses
(B)RNA is the genetic material in these viruses
(C)DNA is not the genetic material
(D)RNA is a self replicating molecule

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The central dogma is
(A)Direction of flow of information from DNA→RNA→proteins
(B)the transfer of genetic information from same strand of DNA to m-RNA
(C)The faithful transfer of genetic information from DNA molecule to the next generation molecule through semi conservative mechanism
(D)Mendelism has established the principles of heredity

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Reverse transcriptase is
(A)RNA-dependent RNA polymerase
(B) RNA-dependent DNA polymerase
(C) DNA-dependent RNA polymerase
(D) DNA-dependent DNA polymerase

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The core enzyme which requires the factor for termination of RNA synthesis at some sites is known as
(A)Sigma factor
(B)Rho factor
(C)Gamma factor
(D)Alpha particle

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One-gene-one enzyme hypothesis was proposed by
(A)Ochoa and Kornberg
(B)Charles Yudofsky
(C)Hershey and Chase
(D) Beadle and Tatum

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Which is a natural genetic engineer of the plants?
(A)E.coli
(B)A. tumefaciens
(C)Rhizobium
(D)Pseudomonas

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The thermostable enzyme Taq polymerase used in PCR technique was discovered by
(A)Alec Jeffrey
(B)Karry Mullis
(C)Temin
(D)Baltimore

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In a DNA% of T is 20% then what will be the % of G?
(A)20%
(B)40%
(C)30%
(D)60%

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