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Disaccharide

The recogniti...

Question

The recognition sequence of EcoRI is how many base pairs in length?

A

6

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B

8

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C

4

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D

5

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Solution

The correct option is A 6
Recognition sequence of EcoRI is
$5^{^{'}}$ –GAATTC– $3^{^{'}}$
$3^{^{'}}$ –CTTAAG– $5^{^{'}}$

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Similar questions

Q. Illustrate the recognition sequence of EcoRI and mention what such sequences are called.

Q. The number of phosphodiester bonds and hydrogen bonds broken due to action of EcoRI at one recognition sequence?

Q. Which of the following statements given below are correct?
(A) BamHI and EcoRI have five and six base pair long recognition sequences, respectively.
(B) Roman number in the restriction enzyme name indicates the order in which it was isolated from the bacteria.
(C) Restriction endonuclease function by inspecting the length of a DNA molecule for recognition sequences.
(D) The palindrome in DNA reads the same on the two strands when orientation is kept the same.

Choose the correct option.

Q. HindIII has a _____base pairs recognition sequence.

Q. Eco RI restriction endonuclease requires a 6 bp sequence for recognition and cleavage. In a 10kb DNA fragment how many probable cleavage sites are present for this enzyme?

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