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Restriction enzyme cleaves the bond in ...

Restriction enzyme cleaves the _______ bond in DNA.

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Phosphodiester
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Restriction enzymes are

Given below are the three DNA palindrome sequences . Name the respective restriction enzymes which cleaves those sequence also mention the microbial sources {:("(a) 5' AGCT3'" ,"(b) 5' GGCC3'","(c) 5'GAATTC3'"),(3'TCGA5',"3'CCGG5'","3' CTTAAG5'"):}

Classify restriction enzyme based on their mode of action.

Restriction endonucleases are used to join the DNA fragments having sticky ends.

Which of the following statements are correct ? (i) Restriction enzymes cut the strand of DNA a little away from the centre of the palindrome site, but between the same two bases on the opposite strands. (ii) Hind ll always cuts DNA molecules at a particular point by reconginisng a specific sequence of six base pairs. (iii) Separated DNA fragments cannot be visualised without staining on an agarose gel electrophoresis. (iv) 'Ori' is the sequence responsible for controlling the copy number. (v) DNA is a positively charged molecule.

Select the correct restriction enzyme which breaks the phosphodiester bond within a DNA molecule. (i) Bal 31 (ii) Hind II (iii) BamHI (iv) Pvul

By observing the given pair fill up the blanks a. Cutting DNA : Restriction endonuclease : : Joining DNA : . . . . b. i. Chitiase : Fungus : : Cellulose : . . . . c. Protein : Protease : : RNA : . . . .

Explain briefly a. PCR b. Restriction enzymes and DNA c. Chitinase

Which type of restriction enzyme is widely used in rDNA technology ? Why ?

SURA PUBLICATION-BREEDING AND BIOTECHNOLOGY-ADDITIONAL QUESTION & ANSWER(FILL IN THE BLANKS)
  1. Hybrid DNA got by genetic engineering is called

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  2. The extra chromosomal DNA present in a bacteria is called

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  3. Restriction enzyme cleaves the bond in DNA.

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  4. A genetically exact copy of an organism is called

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  5. Dolly was the first cloned female sheep .

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  6. Plasmid acts as a in recombinant DNA technology.

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  7. Golden rice can produce

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  8. gene from bacillus thutingiensis produce a protein that is toxic to in...

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  9. For improved wool quality ,transgenic sheep are produced by inserting ...

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  10. are undifferentiated mass of cells with variable potency.

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  11. is the art of developing economically important plants with superior q...

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  12. The aim of improvement is to develop improved crop varieties.

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  13. introduced Mexican wheat varieties in india.

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  14. , are semi-dwarf varieties of wheat.

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  15. is a high-yielding semi-dwarf rice variety.

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  16. The scientific process which produces crop plant enriched with desirab...

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  17. Protina,shakti and Rathna are - rich maize hybrids.

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  18. Enriched carrots.pumpkin and spinach are results of biofortification.

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  19. is one of the oldest methods of plants breeding.

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  20. Groundunt varieties,the TMV-2 and AK-10 are example of selection.

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