DNA polymerase is an enzyme that adds new nucleotides to a strand and proofreads DNA strands to see that they are correct. It derives energy from ATP for the synthesis of DNA strands. Which of the following statements about DNA polymerase is correct?
1) It is an enzyme
2) It adds new nucleotides to a strand
3) It proofreads DNA strands to see that they are correct
4) It derives energy from ATP for the synthesis of DNA strands
5) e. All of the above are correct