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Biotechnology: Principles and Processes — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYBiotechnology: Principles and Processes1 Mark
MCQ
Endonucleases break $\text{DNA}$ at specific sites called :
  • A
    Palindromic sequences
  • B
    Restriction sites
  • C
    Conserved sites
  • ✓
    Both $A$ and $B$
✓

Answer

Correct option: D.
Both $A$ and $B$
Restriction enzyme, also called restriction endonuclease, a protein produced by bacteria that cleaves $\text{DNA}$ at palindromic sequences and restriction sites along the molecule.
In bacterial enzymes cleave foreign $\text{DNA},$ thus eliminating infecting organisms.

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