Life begins with a single fertilized cell that gradually transforms into a multicellular organism. This process requires ...

CAPTION: (Top) Condensins seem to act as a molecular crosslinkers to make loops. (Bottom, left) Condensins (red) locate around chromosome center. (Bottom, right) Nucleosomes around the periphery ...

YEAST CELLS — Brewing yeast cells are seen under a microscope as part of a study on nonalcoholic beer. Credit must be given to the creator. Only noncommercial uses of the work are permitted.