This pollen tube bursting expels sperm cells from inside the pollen tube, so sperm can then fertilize the female reproductive cell.
From the sciencedaily.com
A reproductive cell, which is created in a process called meiosis, usually contains only one of those chromatids of each chromosome.
From the en.wikipedia.org
They range from a few millimeters long with twenty to thirty cells that include anterior attachment cells and a long central reproductive cell called an axial cell.
From the en.wikipedia.org
Stem cell research, reproductive cloning, and germline engineering are all currently being explored.
From the en.wikipedia.org
In his time as president of Rockefeller, the university started research programs in reproductive biology, cell biology, molecular biology and the neurosciences.
From the nytimes.com
In animals and plants, fertilization relies on complex and specialized mechanisms that allow the precise delivery of the male reproductive sperm cell to the female egg cell.
From the sciencedaily.com
At this point they initiate the reproductive cycle, resulting in lysis of the host cell.
From the en.wikipedia.org
On the one hand, reproductive cloning continues the cell division process to the birth of a whole new organism possessing the exact same DNA as the host.
From the washingtonpost.com
But, in the future, all infertile couples will be able to be treated thanks to a combining of stem cell and reproductive research, he says.