What does replication refer to in the context of DNA?

Replication in the context of DNA specifically refers to the process whereby DNA makes a copy of itself. This is a crucial step during cell division, ensuring that each new cell has an identical set of DNA. The replication process involves unwinding the double helix structure of the DNA, followed by the synthesis of new complementary strands using the original strands as templates. This ensures that genetic information is accurately passed on from one generation of cells to the next.

The other options presented do not describe the replication process. For instance, synthesizing RNA from DNA corresponds to transcription, while creating proteins from DNA involves translation. Making DNA from RNA would imply some mechanisms like reverse transcription, which is not applicable to standard replication processes. Therefore, it is essential to understand that replication is exclusively about the accurate duplication of DNA molecules.