News tagged with sliding clamp
Molecule stops DNA replication in its tracks
Biology /
Oct 20, 2008 |
4 / 5 (3) |
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(PhysOrg.com) -- When a dividing cell duplicates its genetic material, a molecular machine called a sliding clamp travels along the DNA double helix, tethering the proteins that perform the replication. Researchers ...
Search results for sliding clamp
Clearing jams in copy machinery
Sep 19, 2005 |
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Bacteria and humans use a number of tools to direct perhaps the most important function in cells -- the accurate copying of DNA during cell division. New research published this week in Molecular Cell from the laboratory ...
Stick and slide: Computer simulation advances understanding of molecular motors
Dec 02, 2009 |
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A new study reveals how molecular motors that power important subcellular movements can generate cyclical motion. The research, published by Cell Press in the December issue of the Biophysical Journal, opens a new door t ...
Snakes use friction and redistribution of their weight to slither on flat terrain
Jun 08, 2009 |
4.3 / 5 (4) |
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Snakes use both friction generated by their scales and redistribution of their weight to slither along flat surfaces, researchers at New York University and the Georgia Institute of Technology have found. Their ...
Scientist develops lab machine to study glacial sliding related to rising sea levels
Space & Earth / Earth Sciences
Nov 10, 2009 |
5 / 5 (1) |
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Neal Iverson opened his laboratory's walk-in freezer and said the one-of-a-kind machine inside could help scientists understand how glaciers slide across their beds. And that could help researchers predict ...
A Safety Slip: Don't Hold a Child in Your Lap on Playground Slides
Sep 07, 2009 |
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A new study published this week in the Journal of Pediatric Orthopaedics found a relationship between young children going down a slide on the lap of an adult and tibia fractures. The study, conducted at Winthrop University Hospit ...
Grooving down the helix: Researchers show how proteins slide along DNA to carry out vital biological processes
Dec 03, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- A team of scientists has made a major step in understanding how molecules locate the genetic information in DNA that is necessary to carry out important biological processes.
University of Pennsylvania engineers reveal what makes diamonds slippery at the nanoscale
Nanotechnology / Nanomaterials
Jun 23, 2008 |
4.1 / 5 (16) |
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They call diamonds "ice," and not just because they sparkle. Engineers and physicists have long studied diamond because even though the material is as hard as an ice ball to the head, diamond slips and slides with remarkably ...
'Heftier' atoms reduce friction at the nanoscale
Nov 01, 2007 |
4 / 5 (8) |
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A research team led by a University of Pennsylvania mechanical engineer has discovered that friction between two sliding bodies can be reduced at the molecular, or nanoscale, level by changing the mass of the atoms at the ...
Engineer: Head-first slide is quicker
Sep 26, 2008 |
3.7 / 5 (15) |
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Base running and base stealing would seem to be arts driven solely by a runner's speed, but there's more than mere gristle, bone and lung power to this facet of baseball -- there are lots of mathematics and physics at play.
Researchers Reveal Three Distinct Modes of Dynamic Friction Rupture with Implications for Earthquake Behavior
Space & Earth / Earth Sciences
Sep 25, 2006 |
3.8 / 5 (8) |
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A new study by researchers at the California Institute of Technology has revealed important findings about the nature of ruptures and sliding behavior, which could impact how we respond to earthquakes and other disasters.
List of search results for sliding clamp
