DNA POLYMERASE AND ITS TYPES ?
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DNA polymerase / DNAP

DNA polymerase (DNAP) is a type of enzyme that is responsible for forming new copies of DNA, in the form of nucleic acid molecules. Nucleic acids are polymers, which are large molecules made up of smaller, repeating units that are chemically connected to one another. DNA is composed of repeating units called nucelotides or nucleotide bases. DNA polymerase is responsible for the process of DNA replication, during which a double-stranded DNA molecule is copied into two identical DNA molecules. Scientists have taken advantage of the power of DNA polymerase molecules to copy DNA molecules in test tubes via polymerase chain reaction, also known as PCR.

DNA polymerase (DNAP) is a type of enzyme that is responsible for forming new copies of DNA, in the form of nucleic acid molecules. Nucleic acids are polymers, which are large molecules made up of smaller, repeating units that are chemically connected to one another. DNA is composed of repeating units called nucelotides or nucleotide bases. DNA polymerase is responsible for the process of DNA replication, during which a double-stranded DNA molecule is copied into two identical DNA molecules. Scientists have taken advantage of the power of DNA polymerase molecules to copy DNA molecules in test tubes via polymerase chain reaction, also known as PCR.
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Variation across species
Family Types of DNA polymerase Examples
B Replicative and Repair Polymerases Pol II, Pol B, Pol ζ, Pol α, δ, and ε
C Replicative Polymerases Pol III
D Replicative Polymerases Not well-characterized
X Replicative and Repair Polymerases Pol β, Pol σ, Pol λ, Pol μ, and
Terminal deoxynucleotidyl transferase
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