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Which of the following are considered as...

Which of the following are considered as useful selectable markers for E.coli ?
a. Ampicillin resistance gene
b. Chloramphenicol resistance gene
c. Tetrachcline resistance gene
d. Kanamycin resistance gene

A

a only

B

a and b

C

a, b and c

D

a, b, c and d

Text Solution

Verified by Experts

The correct Answer is:
D
Ampicillin resistance gene, chloramphenicol resistance gene, tetracycline resistance gene and kanamycin resistance gene are considered as useful selectable markers for E.coli
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A2Z-BIOTECHNOLOGY: PRINCIPLES AND PROCESSES-Section A: Topicwise Questions (topic 2: Tools Of Tecombinant Dna Technology) Trestriction Enzymes ,
  1. Alternate selectable markers have ability to differentiate recombinant...

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  2. Which of the following features are required to facilitate cloning int...

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  3. Which of the following are considered as useful selectable markers for...

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  4. The procedure through which a piece of DNA is introduced in a host bac...

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  5. DNA is stained by

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  6. Which is the palindromic nucleotide sequence ? {:((i) "GAATTC",(ii) ...

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  7. DNA fragments cut by restriction enzyme can be separated by

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  8. Read the following statements and find out the incorrect statements wi...

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  9. Which of the following bacteria is not a source of restriction endonu...

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  10. An antibiotic resistance gene in a vector usually helps in the selecti...

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  11. Which statement is incorrect regarding to restriction endonuclease enz...

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  12. Some foreign DNA fragment is attached to Cla I site of pBR 322. This r...

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  13. Selective markers in plasmids are used to

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  14. An enzyme catalysing the removal of nucleotides from the ends of DNA i...

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  15. BamH I site in present at

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  16. Selectable markers are present in

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  17. In pBR 322 amp^(R) and "tet"^(R) gene are present. When we ligate a fo...

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  18. DNA staining by ethidium bromide is followed by the exposure to UV ray...

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  19. Which is responsible for controlling the copy number of the linked DNA...

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  20. Restriction' in restriction enzyme refers to

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