Lipogenesis The formation of fat from the metabolism of simple sugars.
Millimetres, microns, and nanometres. A millimetre is equal to one thousand microns, and a micron equals one thousand nanometres. A whole eukaryote cell may be 10 microns in diameter, part of that cell, e.g. a microtubule is 25 nanometres in diameter. The diameter of human hair varies between 50 and 100 microns.
Nucleoskeleton An intranuclear network of filamentous proteins, anchored at the nuclear envelope which maintains nuclear integrity and provides a framework for DNA replication and genetic processes.