ScienceDaily: Top Environment News |
| Mechanisms cells use to remove bits of RNA from DNA strands Posted: 04 Dec 2011 11:46 AM PST When RNA component units called ribonucleotides become embedded in genomic DNA, they can cause problems for cells, but not much is known about the fate of these ribonucleotides. A new study identifies two mechanisms cells use to recognize and remove ribonucleotides embedded in genomic DNA, called RNases H and the mismatch repair system.  |
| Global carbon emissions reach record 10 billion tons, threatening 2 degree target Posted: 04 Dec 2011 11:46 AM PST Global carbon dioxide emissions from burning fossil fuels have increased by 49 percent in the last two decades, according to the latest figures by an international team of scientists.  |
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