G1 Phase Process

**Semantic type:** Cell Function

**Definition:** Phase of the cell cycle preceding DNA synthesis (Gap 1 phase). The subphases of G1 include competence, entry (G1a), progression (G1b), and assembly (G1c), based on the effects of limiting growth factors, nutrients, or inhibitors.

**Synonyms:** - G1 - G1 Phase - Gap 1 Phase