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Biology · Principles and Processes in Biotechnology

हिन्दी

Refer to the diagram showing the action of the restriction enzyme EcoRI on vector DNA and foreign DNA. Which specific sequence is cut between G and A bases by EcoRI?

Question diagram
  1. A
    \( 5' - \text{GAATTC} - 3' \)
  2. B
    \( 5' - \text{GTTAAC} - 3' \)
  3. C
    \( 5' - \text{GGCCCC} - 3' \)
  4. D
    \( 5' - \text{AAGCTT} - 3' \)
View Answer & Solution

Correct answer · Option A

\( 5' - \text{GAATTC} - 3' \)

Explanation

EcoRI cuts the DNA between bases G and A only when the palindromic sequence 5'-GAATTC-3' is present.
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