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Proteins that help to open up DNA helix ...

Proteins that help to open up DNA helix in front of the replication fork in prokaryotes are

A

topoisomerases

B

unwindases (helicases)

C

polymerase 1

D

exonucleases and endonuclease

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The correct Answer is:
B
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TRUEMAN BIOLOGY-MOLECULAR BASIS OF INHERITANCE-MCQs
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  2. DNA is geneticmaterial was proved by

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  3. Proteins that help to open up DNA helix in front of the replication fo...

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  4. By using proteins from TMV (Tobacco-mosaic virus) and RNA from HRV (Ho...

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  5. The experimental system used in studies on replication of DNA is

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  6. Amount of DNA per diploid cell of man and its length is about

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  7. Central Dogma of modern genetics is

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  8. Eukaryotes differ from prokaryotes in the mechanism of DNA replication...

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  9. DNA replication is:-

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  10. Under the concept of triplet code, the segment of DNA specifying one f...

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  11. When DNA is transferred from a culture of capsulated pneumococcus to a...

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  12. Sum of all the genes is a population is called

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  13. If 50 heavy DNA (N^(15)) molecules are replicated 2 times in N^(14) me...

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  14. The experiment which proved conclusively that during infection only DN...

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  15. There is some permissible latitude in the pairing of the third base in...

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  16. A DNA molecule in E. coli is heavy and labelled with N^(15). Iit is al...

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  17. Taylor experiment on Vicia faba (broad bean) root tips using autoradio...

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  18. if a labelled DNA (with a heavy isotope) replicates in conservative ma...

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  19. If DNA replication is conservative, what woul be expected distribution...

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  20. Which one of the following ratios is variable but constant for a speci...

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