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are the enzymes which help in ligating t...

___ are the enzymes which help in ligating the broken DNA fragments.

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DNA ligase.
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Enzyme which helps in lengthening the new DNA strand during replication.

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Name the enzyme that is involved in the unwinding of the DNA strands?

During genetic engineering DNA fragments are produced by cutting DNA with endonucleases. These fragments are further used for Producing recombinant DNA. Explain the technique and principle that help to sepa-rate these DNA fragments .

Diagram shows a typical agarose gel showing migration of DNA fragments . a. Which of the bands has the largest and smallest DNA fragments ? b. How can you make fragments of DNA for electrophoresis ? c. Explain separation of DNA fragments using electrophoresis. d. Point out a method to visualize the separated DNA fragments after electrophoresis .

…………………is the enzyme, which separates the double helix of DNA, above the replication fork.

SURA PUBLICATION-HEREDITY-ADDITIONAL QUESTIONS & ANSWERS (ANSWER IN ONE WORD)
  1. Who received the Nobel prize for his work on role of chromosomes in he...

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  2. Who gave the term 'Chromosome '?

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  3. What does DNA strand for?

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  4. Point of location of a gene on a chromosome.

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  5. Point of attachment of chromatids of a chromosome

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  6. Bead like structures along the length of a chromomema.

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  7. Another name for secondary constriction of a chromosome.

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  8. Knob like appendages present at one end of the chromsome.

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  9. Combination of a sugar ,phosphate and nitrogenous base.

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  10. Name the process by which DNA makes copies of itself.

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  11. enzyme separate the two strands of the DNA during replication.

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  12. Enzyme which helps in lengthening the new DNA strand during replicatio...

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  13. are the enzymes which help in ligating the broken DNA fragments.

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  14. Short segments of DNA formed in the newstrand during replication of DN...

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  15. Condition involving changes in number of chromosomes present in a cell...

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  16. Another name for Down's syndrome.

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  17. Chromosomal composition of a human sperm.

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  18. Chromosomal composition of a human egg.

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  19. Type of bonds found between nitrogenous bases in DNA.

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  20. Name the bond which binds the nucleotides in a DNA

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