Competition Success Review

Competition Success Review

Competition Success Review  Published this article page no 36 the cytoplasm of pollen grain is surrounded by a plasma membrane. when the pollen grain is mature it contains two cells the vegetative cell and generative cel). the vegetative cell is bigger has abundant food reserve and a large irregularly shaped nucleus. the generative cell is small and floats in the cytoplasm of the vegetative cell. it is spindle shaped with dense cytoplasm and a nucleus. in over 60 per cent of angiosperms pollen grains are shed at this 2-celled stage. in the remaining species the generative cell divides mitotically to give rise to the two male gametes before pollen grains are shed competition success review magazine Subscribe.

Competition Success Review