Ribosome Self-Assembly Is Not Evolution
May 23, 2020
So many pieces have to be placed in the right order, chance is ridiculously out of luck.
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Crossing Guard Found in Mitochondrial Membranes
June 3, 2019
This is no ordinary crossing guard. It also acts as a bouncer or cop when bad proteins try to clog up the channel.
Cell's Molecular Machines Arouse Fascination
August 9, 2014
With increasing image quality at their disposal, biologists are finding amazing molecular machines at work in living cells.
Your Copper Pipes
November 8, 2011
Each of us is part metal. Our bodies contain iron, copper, zinc, magnesium, manganese, vanadium, molybdenum, selenium, and even nickel like the coins in our pockets or purses. Unlike the other common elements of life (carbon, oxygen, hydrogen, calcium, nitrogen, phosphorus), our metals are not synthesized and recycled, but must be imported and handled with care. Copper is a good example of a biological metal that performs multiple useful functions – that is, unless something goes wrong with the machinery handling it.
Cell Operations Amaze, Inspire
July 16, 2011
A student's view of a cell under a light microscope is misleading. It reveals only a tiny fraction of what is really going on. Within that package of life, invisible to the student's gaze, complex machines work together in cellular factories. Signals pass back and forth in complex networks. Libraries of code are transcribed and […]
Quality Control Ensures Accurate Cell Division
December 28, 2007
The wonders of cell division are described in several new discovery papers.