Which enzyme is used to remove the introns ?

The enzyme used to remove the phosphate group from the 5’ end of DNA molecule is :

The enzyme used to remove the phosphate group from the 5’ end of DNA molecule is :

__A__ enzyme is used to remove clots from the blood vessels of patients who have undergone __B__ leading to heart attack.

__A__ enzyme is used to remove clots from the blood vessels of patients who have undergone __B__ leading to heart attack.

Which enzyme is used in transcription?

Which enzyme is use for removal of RNA molecule in DNA isolation process.