The primary function of the nucleolus is as the site of ribosome-subunit biogenesis in eukaryotic cells. The initial ribosomal RNA (rRNA) precursor is transcribed by RNA polymerase I and is ...
Lysosomes are dynamic organelles that receive membrane traffic input from the secretory, endocytic, autophagic and phagocytic pathways. They can also fuse with the plasma membrane. Live-cell imaging ...