Combinations of different residues form 'catalytic units' that are found repeatedly in different unrelated enzymes.
YouGov has found repeatedly that most people want it cut substantially.
Some firms, The Times found, repeatedly sued tenants even after being told that they owed no rent.
Anyone found repeatedly loading up bags of sand or seaweed into the boot of their car might raise eyebrows.
It cited "riots, escapes and shootings" of prisoners over many months, adding that "the same types of deficiencies" were found repeatedly but "little to nothing was done".
The 16-person commission said it had found repeatedly that "our institutions and existing systems are not equal, and that this has racial repercussions".
But real confirmation of the return of difficulty, and of verbal complexity, is to be found repeatedly in the American television of the past 10 years.
Cuckoo eggs have been found repeatedly in nests too small to admit a female cuckoo or too delicate to bear her weight.
And the study found repeatedly that such atypical clothing or behavior actually made others think more of the person, not less.
The Pew Research Center, which conducts regular studies on the amount of media coverage the candidates receive, has found repeatedly that Mr. Romney is covered the most.
But as the Emperor of North Dumpling has found repeatedly, there is a big difference between coming up with an idea and making it happen.
