an enzyme that untwists the double helix at the replication forks, separating the two parental strands and making them available as template strands
A Y-shaped region on a replicating DNA molecule where new strands are growing.
An enzyme that adds new DNA nucleotides to a replicating DNA molecule and proofreads the daughter strand of replicated DNA
deoxyribonucleic acid, the material that contains the information that determines inherited characteristics
Replicated molecule of DNA containing one strand from the original template molecule and one newly synthesized strand.
a nitrogenous base found in DNA and RNA; pairs with cytosine
a nitrogenous base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA
a nitrogenous base found in DNA ; pairs with Adenine
a nitrogenous base found in DNA and RNA; pairs with guanine