Proto-oncogenes push the cell forward through the cell cycle, and tumor-suppressor genes put the brakes on the cell cycle, so to speak, when the cell isn't yet ready to divide.Mutations in either of these types of genes can lead to cancer, which is uncontrolled cell division.roto-oncogenes push the cell forward through the cell cycle, and tumor-suppressor genes put the brakes on the cell cycle, so to speak, when the cell isn't yet ready to divide.
Definition of cabbage. 1a : any of several brassicas (Brassica oleracea) of European origin; especially : a leafy garden plant (Brassica oleracea capitata) with a short stem and a dense globular head of usually green leaves that is used as a vegetableb : any of several plants related to or resembling cabbage.
A vegetable is a plant or part of a plant used as food, typically as accompaniment to meat or fish, such as a cabbage, potato, carrot, or bean. Vegetables are found with their â¦ seeds on the outside, unlike fruits that have their seeds on the inside (apart from the strawberry).7 people found this useful. vegetable is a plant or part of a plant used as food, typically as accompaniment to meat or fish, such as a cabbage, potato, carrot, or bean. Vegetables are found with their â¦ seeds on the outside, unlike fruits that have their seeds on the inside (apart from the strawberry). 7 people found this useful.