Match the group 1 with appropriate description of group 2.

Group 1	Group 2
(P) Copper	(1) cell wall of plant cells
(Q) Cobalt	(2) nitrate reductase
(R) Molybdenum	(3) respiratory-chain components
(S) Calcium	(4) vitamin B12

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#Question id: 3658

#Section 3: Genetics, Cellular and Molecular Biology

In E. coli, the UvrABC endonuclease removes _____________and other bulky lesions by recognizing the distortion these produce in the double helix.

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#Question id: 3659

#Section 3: Genetics, Cellular and Molecular Biology

In eukaryotes, gap filling in BER involves predominantly DNA polymerase β whereas the longer gaps generated in NER are filled by:

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#Question id: 3660

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is true for exchange of homologous regions between two DNA molecules?

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#Question id: 3661

#Section 3: Genetics, Cellular and Molecular Biology

______________ short fragment of DNA produced during replication of the lagging strand.

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#Question id: 3663

#Section 3: Genetics, Cellular and Molecular Biology

_______________ is a specific RNase which cuts RNA–DNA hybrids; involved in replication of ColE1-like plasmids.

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#Question id: 3664

#Section 3: Genetics, Cellular and Molecular Biology

 If a mutation is complemented by a clone of a different gene whose product is being overproduced, this is called: