Which phase is part of the interphase of the cell cycle?

The G2 phase is indeed a crucial part of interphase in the cell cycle. Interphase is the stage where the cell prepares for division and consists of three phases: G1 (gap 1), S (synthesis), and G2.

During the G2 phase, the cell continues to grow and produce the proteins necessary for mitosis, as well as duplicate its organelles and prepare its centrioles. This phase is vital for ensuring that the cell has all the necessary components to split successfully and that it has accurately replicated its DNA during the preceding S phase.

The other phases listed are not part of interphase. The M phase, which includes both mitosis and cytokinesis, is the phase where actual cell division occurs. Metaphase and telophase are specific stages within mitosis where chromosomes align and separate, respectively. Thus, they do not fit into the interphase category, which is focused solely on cell preparation rather than division.