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Which of the following is not true for r...

Which of the following is not true for recognition sequences?

A

Modification by methylation of bases within them prevents restriction of bacterial DNA

B

They are usually symmetrical sequences of four to eight nucleotides

C

They signal the attachment of RNA polymerase

D

Each recognition sequence is cut by a specific restriction enzyme

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The correct Answer is:
c
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ARIHANT NEET-BIOTECHNOLOGY : PRINCIPLES AND PROCESSES-Chapter exercises (Taking it together (Assorted Questions of the Chapter for advanced Level Practice ))
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  2. In recombinant DNA technology, a plasmid vector is cleaved by

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  3. Which of the following is not true for recognition sequences?

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  4. Significance of 'heat shock' method in bacterial transformation is to ...

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  5. Which of the following steps are catalysed by Taq polymerase in a PCR ...

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  6. The role of DNA ligase in the construction of a recombinant DNA molec...

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  7. The most important feature in a plasmid to be used as a vector is

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  8. Which of the given statements is correct in the context of observing D...

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  9. Which of the following has popularised the PCR (polymerase chain React...

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  10. Which of the following statements does not hold true for restriction e...

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  11. Which of the following should be chosen for best yield if one were to ...

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  12. When a typical restriction enzyme cuts a DNA molecule, the cuts are un...

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  13. Which of the following statements incorrectly explains the part of th...

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  14. This figure shows the restriction site of Eco RI. This restrictio...

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  15. The polymerase chain reaction generated a fragment of a distinct size ...

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  16. Forensic scientists have to work often with extremely small samples o...

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  17. A bacterial cell was transformed with a recombinant DNA that was gener...

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  18. Becoming an expert on gel electrophoresis, you are asked to examine a ...

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  19. Which of the following creates droblemin getting prokaryotic cells t...

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  20. This segment of DNA has restriction site-I and II, which create restri...

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