Uridine-H 3 is incorporated into both the vegetative (tube) nucleus and the generative nucleus of Tradescantia paludosa within 15 min after transfer of pollen to the growth medium. This incorporation ...

1. The male cells are organized in the pollen grain following division of the generative cell, and are united by their tips until the embryo sac is reached. 2. The sperms become greatly elongated ...

“Are plants trying to kill us?” allergy sufferers often ask Deborah Devis. A plant molecular geneticist at the University of Adelaide’s Waite campus in Australia, Devis should know the answer better ...