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There are special proteins that help to ...

There are special proteins that help to open up DNA double helix in front of the replication frok . These protein are

A

DNA gyrase

B

DNA polymerase -I

C

DNA ligase

D

topoisomeras

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The correct Answer is:
A
DNA gyrase helps in opening of DNA double helix in front of replicationn fork.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-MOLECULAR BASIS OF INHERITANCE-EXERCISE
  1. The wild type E. coli cells are growing in normal medium with glucose....

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  2. Which is not directly involved in protein synthesis ?

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  3. There are special proteins that help to open up DNA double helix in fr...

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  4. DNA template sequence of CTGATAGC is transcribed over mRNA as

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  5. In Escherichia coli, lac operon is induced by :

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  6. Reverse transcriptase is :

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  7. The number of base substitution possible in amino acid codons is

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  8. The codon for the initiation of protein synthesis in eukaryotes is :

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  9. Nucleosome core is made of :

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  10. A DNA with unequal nitrogen bases would most probably be

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  11. The process of translation is :

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  12. Durning DNA replication, the strands separate by

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  13. Who proved that DNA is the basic genetic material ?

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  14. some amino acids are coded by more than one codon, hence the genetic c...

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  15. Nucleotide arrangement in DNA can be seen by

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  16. The transforming principle of Griffith's experiment was DNA. A very, M...

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  17. Experimental material in the study of DNA replication has been

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  18. Khorana first deciphered the triplet codons of

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  19. Escherichia coli fully labelled with .^(15)N is allowed to grow in .^(...

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  20. In RNA, the thymine is replaced by :

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