Cell Biology

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Cellular Machines Coming to Light

May 20, 2002

51; As imaging techniques improve, cells are yielding up their secrets. Scientists are getting closer to watching the processes in cellular factories in real time. Dynein: PhysOrg reported, “Biologists capture cell’s elusive ‘motor’ on videotape, solving the mystery of its deployment.” The article began, “Their experiments can be likened to restoring never-before-seen footage to a […]

Amazing Facts

Your Inner Postal Service

April 20, 2002

51; Zip codes – those five- or nine-digit numbers on mail – have an analogue in every one of your cells. Like a city,1 a cell has information to ship from place to place.2 To make sure that the manufacturing instructions for protein parts arrive at the appropriate assembly site, the shipper puts a molecular […]

Amazing Facts

Bacterial Flagellum Can Tune Its Swim Speed with Network-Controlled Brakes

March 20, 2002

51; What’s new with flagella? These are the favorite toys of intelligent design supporters, because they are irreducibly complex molecular machines that evolutionists rarely attempt to explain by a Darwinian process. More fodder for their position comes from a paper in Cell1 that finds that bacteria can fine-tune their swimming velocity by means of a […]

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