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STD 12 - 5. molecular basis of inheritance — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 5. molecular basis of inheritance1 Mark
MCQ
Which of the following statement is correct about $DNA$ polymerase?
  • A
    $DNA$ polymerase can synthesize $mRNA$ in the $3 ' to 5 '$ direction.
  • ✓
    $DNA$ polymerase can synthesize $DNA$ in the $5 ' to 3 ' $ direction.
  • C
    $DNA$ polymerase can synthesize $mRNA$ in the $5^{\prime}$ to $3 ' $ direction.
  • D
    $DNA$ polymerase can synthesize $DNA$ in the $3^{\prime}$ to $5^{\prime}$ direction.
✓

Answer

Correct option: B.
$DNA$ polymerase can synthesize $DNA$ in the $5 ' to 3 ' $ direction.
b
$DNA$ polymerase is an enzyme which is involved in the replication and repair of $DNA$. It synthesizes new $DNA$ strands using a $DNA$ template in the $5' - 3'$ direction.

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