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When DNA is transferred from a culture o...

When DNA is transferred from a culture of capsulated pneumococcus to a culture of non capsulated pneumococcus converting the latter into the former type, the process is known as.

A

translocation

B

conjugation

C

transformation

D

transduction

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The correct Answer is:
C
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Go though the following statements (i) Meselson & stahl used cesium chloride density gradient to distinguish heavy DNA molecules from the normal DNA molecules. (ii) In meselson & Stahl experiment the DNA that was extracted from the culture one generation after the transfer from .^(15)N to .^(14)N , was composed of equal amount of hybrid (intermediate) DNA and of light DNA. (iii) In prokaryotes, control f the rate of transcriptional initiation is the predominant site for control of gene expression. (iv) In lac operon, the repressor is synthesised only at the time when the level of metabolite is in excess. Find out the correct statements?

TRUEMAN BIOLOGY-MOLECULAR BASIS OF INHERITANCE-MCQs
  1. DNA replication is:-

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

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

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

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

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

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

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

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

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

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

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

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  13. If one chain of a DNA moleucle has the base order 5'ATTGACGT3'…….then ...

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  14. Codons that specify same amino acids are called

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  15. Semiconservative replication of DNA was given by

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  16. In a polyribosome complex, the ribosome present towards 5'end of mRNA ...

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  17. At which end of mRNA translation always begins?

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  18. mRNA iin prokaryotes is usually

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  19. A segment of DNA has base sequence GAC GAC CGC AAA ACA AGC. Due to del...

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  20. Which is related to Teminism?

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