Scientists at Umeå University have found a way to break open the protective walls of pollen grains – one of the hardest biomaterials in the world – without damaging the inside cell and its ...

If you thought last year’s hay fever misery was one for the books, unfortunately 2025 is turning out to be much the same for ...

Pollen grains have a hard coat that protects the sperm cells during their movement to the female sex organs in order to effect fertilization.

2. The resting nuclei of the pollen mother cells are characterized by a network of delicate threads. Chromatin granules varying in size are scattered through the chromatic network, but more thickly at ...

scientists at Umeå University have found a way to break open the protective walls of pollen grains—one of the hardest biomaterials in the world—without damaging the inside cell and its ...

1. During late telophase of the last division of the sporogeneous tissue a row of vacuoles appears along the median longitudinal axis of each chromosome, these enlarging until each member is a ...