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Restriction endonucleases :...

Restriction endonucleases :

A

Are present in mammalion cells for degradation of DNA when the cells dies

B

Are used in genetic engineering for ligating two DNA molecules

C

Are used for invitro DNA syntnesis

D

Are synthesized by bacteria as part of their defense mechanism

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The correct Answer is:
D
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AAKASH SERIES-BIOMOLECULES-EXERCISE - III (Previous AIPMT/NEET Questions)
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  2. During transcription, if the nucleotide sequence of the DNA strand tha...

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  3. Restriction endonucleases :

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  4. The maximum growth rate occurs in

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  5. The following ratio is generally constant for a given species

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  6. Which form of RNA has a structure resumbling clover leaf

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  7. During replication of a bacterial chromosomes, DNA synthesis starts fr...

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  8. During translation initiation in prokaryotes, a GTP molecule is needed...

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  9. Which one of the following concerns photo- phospharylation?

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  10. Which one of the following triplet codes, is correctly matched with it...

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  11. Which one of the following pairs is not correctly matched ?

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  12. During transcription, the DNA site at which RNA polymerase binds is ca...

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  13. Which one of the following pairs correctly matches a hormone with a di...

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  14. Which is a reducing sugar?

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  15. Change in the sequence of nucleotide in DNA is called as

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  16. Adrenaline directly affects

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  17. Sequence of which of the following is used to known the phylogeny?

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  18. In a DNA, percentage of thymine is 20. What is the peercetage of guani...

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  19. Which of the following enzymes are used to join bits of DNA

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  20. Lipids are insoluble in water because lipids molecules are

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