This is a preview. Log in through your library . Abstract Regulation of physiological functions with approximate daily periodicity, or circadian rhythms, is a characteristic feature of eukaryotes.

Imagine being one cartwheel away from changing your appearance. One flip, and your brunette locks are platinum blond. That's not too far from what happens in some prokaryotes, or single-cell organisms ...

Background: The vast majority of all genes are contained within the genomes of the prokaryotes, including the eubacteria and the archaea. These largely single-cellular domains of life thus contain ...

As an undergraduate at Radcliffe College—Harvard's allgirl sister institution—in the 1960s, Susan Gottesman earned pocket money working as a technician in Jim Watson's Harvard lab. "I would hear ...

A new study challenges a popular scenario put forward to explain the arrival of the first eukaryotic organisms. In the beginning, there was boredom. Following the emergence of cellular life on earth, ...

Bacterial cells often possess molecules of closed, circular DNA, otherwise known as ‘plasmids’. They can also be present at much lower frequencies in certain eukaryotic cell types, such as yeast. They ...

Imagine being one cartwheel away from changing your appearance. One flip, and your brunette locks are platinum blond. That’s not too far from what happens in some prokaryotes, or single-cell organisms ...