Biotility Bace Practice Exam

The correct answer involves DNA polymerase and DNA ligase, both of which are crucial enzymes in the process of DNA replication.

DNA polymerase is the key enzyme responsible for synthesizing new DNA strands by adding nucleotides to a growing DNA chain, using an existing strand as a template. This enzyme ensures the accurate replication of the genetic code, which is vital for cell division and the propagation of genetic information.

DNA ligase plays a supportive role by joining Okazaki fragments on the lagging strand during DNA replication. These fragments are short segments that require ligation to create a continuous strand of DNA. Without DNA ligase, the replication process would leave gaps in the DNA, leading to incomplete genetic material.

The presence of both of these enzymes is essential for ensuring accurate and complete DNA replication, making them naturally occurring enzymes involved in this fundamental biological process.