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DNA polymerases catalyse polymerisation ...

DNA polymerases catalyse polymerisation in

A

Ribonucleotides

B

`5 to 3` direction

C

`3 to 5` direction

D

Dexoyribonucleoside

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The correct Answer is:
B
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The DNA dependent DNA polymerase catalyse polymerisation in -

Assertion :- On template 5' to 3' DNA replicate in discontinuous manner. Reason : DNA polymerase catalyse polymerisation only is one direction that is 5' to 3'.

The replication process involves the following steps: (I) The enzyme DNA-dependent DNA poly merases catalyse the polymerisation of DNA strand. (II) The lagging strand is synthesized in frag ments known as Okazaki fragments, which are later joined by the enzyme DNA Ligase. (III) The origin of replication serves as the recognition site for DNA polymerase and also it provides the site for attachment of RNA primer. (IV)The structural gene coding for a partic ular protein is flanked by the promoter and terminator. Choose the correct option:

The enzyme DNA dependent RNA polymerase catalyses the polymerisation reaction in ________ direction .

RNA polymerase I catalyses :

DNA polymerase III catalyses :

DNA polymerase catalyses condensation reactions between molecules during semi-conservative replication of DNA. Which two molecules are joined by DNA polymerase?

DNA polymerase helps in

AAKASH INSTITUTE-MOLECULAR BASIS OF INHERITANCE -ASSIGNMENT (SECTION -A) Objective Type Questions
  1. Unwinding of DNA creates tension which is released by enzyme

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  2. During polymerisation of deoxyribonucleosides triphosphates in bacteri...

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  3. DNA polymerases catalyse polymerisation in

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  4. During DNA replication which of the following does not act as substrat...

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  5. Out of the two strands of DNA one is carrying genetic information for...

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  6. When a mature mRNA was hybridized to its gene, certain loops were obse...

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  7. Poly A tail is present in

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  8. Find out the incorrect match.

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  9. One codon codes for only one amino acid, hence the code is

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  10. What is incorrect for UTR?

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  11. In bacteria, catalytic RNA is found in

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  12. In lac operon,the regulator gene codes for

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  13. Mark the incorrect option w.r.t lac operon

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  14. In lac operon the lac mRNA

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  15. How many locations have been identified in human genome where sin...

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  16. What is incorrect for human chormosome 1?

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  17. The non-human modeal organisms sequenced Human Genome project wer...

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  18. Mark the correct one (w.r.t application of DNA fingerprinting )

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  19. In the technique of DNA fingerprinting, digestion of DNA is follo...

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  20. In eukaryotes, RNA polymerase III catalyses the sythesis of

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