Question

which of the following is a signal that a cell is ready to enter synthesis phase? cell recognition of dna overload the nucleus begins to split dna replication occurs

Explanation:

The synthesis (S) phase is when DNA replication occurs. A cell is ready to enter the S - phase when conditions are right for DNA replication. DNA overload recognition would prevent a cell from entering S - phase, and the nucleus splitting occurs in later stages of the cell cycle like mitosis.

Answer:

DNA replication occurs