English Pollen tube Cited by user Rjwilmsi on 03 Oct 2011 A pollen tube is part of the male gametophyte of seed plants. It acts as a conduit to transport the male gamete cells from the pollen grain, either from the stigma (in…
English Electrotropism Cited by user Citation bot on 27 May 2011 Electrotropism is a kind of tropism which results in growth or migration of an organism, usually a cell, in response to an exogenous electric field.