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Tag: "hinges" at biology news

Chemical Engineer Kao Explores Antibiotic Synthesis With DNA Chips

...as only just begun--successful reverse engineering hinges on the ability to reproduce the mechanism of overproduction in new strains. Ideally, the exact sequence of base pairs causing the mutation could be found and then directly introduced into a new strain. Drug companies use chemicals and radiation to d...

Tiny roundworm's telomeres help scientists to tease apart different types of aging

... control both, aging in your dividing cells, which hinges on telomere maintenance, but also aging in your non-dividing cells. We thought that telomeres might play a role in the later but that's clearly not the case," says Dillin. "What is probably playing a role in the other half of aging is the insulin sig...

Higher carbon dioxide, lack of nitrogen limit plant growth

...inks--or storage places--for excess carbon dioxide hinges on an ability to understand the complex interaction between atmospheric carbon dioxide and nitrogen in soils, the scientists believe. The six-year study, the longest of its kind, sheds light on the relationship between carbon dioxide emissions and p...

Poison dart frog mimics gain when birds learn to stay away

...he frog species can evolve to look similar, and it hinges on the way predators learn to avoid the toxic, brightly colored amphibians. In the Mar. 8 issue of Nature, Catherine Darst and Molly Cummings show that a harmless, colorful frog living in the Amazonian rainforest gets protected from predators not b...

Dragonfly migration resembles that of birds, scientists say

... both local agriculture and the world economy that hinges uponit." ...

Prototype just-in-time medical device enables untrained bystanders to save lives

... in the United States. Sometimes the victim's life hinges on the help of bystanders, given that response time by paramedics following a 911 call is usually more than 6 minutes and that the probability of survival decreases 7?0% each minute after the incident. Studies show that less than 1% of bystanders hav...

Biologically inspired sensors can augment sonar, vision system in submarines

...uses the pieces to rotate out of the plane on tiny hinges and lock into place. Each sensor is integrated with metal-oxide-superconductor circuitry for on-chip signal processing, noise reduction and data acquisition. The largest array the researchers have built consists of 16 flow sensors with 1 millimeter...

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Breaking Biology News(10 mins):Molecular snapshots of oxygen formation in photosynthesis 2
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