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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Observe the given sequence of nitrogenous bases on a DNA fragments and answer the following questions: 5' - CAGAATICTTA - 3'3' - GTCTTAAGAAT - 5' - Biology

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प्रश्न

Observe the given sequence of nitrogenous bases on a DNA fragments and answer the following questions:

5' - CAGAATTCTTA - 3'
3' - GTCTTAAGAAT - 5'

  1. Name a restriction enzyme which can recognise this DNA sequence.
  2. Write the sequence after digestion.
  3. Why are the ends generated after digestion called sticky ends?
थोडक्यात उत्तर

उत्तर

(i) EcoRI

(ii)

5'CAG3'    5'AATTCTTA3'
3'GTCTTAA 5'     3'GAAT5'

(iii) Because they create hydrogen connections with their complementary cut sections, these are known as sticky ends.

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