After a finite number of divisions, cells simply give up. As each round of replication trims their telomeres—the protective ...
The protein, reverse transcriptase, has become an essential tool for making DNA copies of RNA.
After a finite number of divisions, cells simply give up. As each round of replication trims their telomeres-the protective ...
We have long struggled to determine how the first living organisms on Earth came together. Now, surprising evidence hints that poorly understood prions may have been the vital missing ingredient ...