Using clonal analyses, forward and reverse genetic, the existence of developmental compartments is convincingly demonstrated.
Just as our discourse can't guarantee the existence of objective value (i.e. error theory is possible), neither – or so the thought goes – can it banish it from existence (i.e. reverse theory is possible).
It has been aided by the parasites that cause these diseases being cultivatable and amenable to reverse genetic manipulation and by the existence of mouse infection model systems.
Indeed, the analogy with a lottery seems to dramatically reverse the presumption of non-existence.
Hysteresis is defined by the existence of distinct forward and reverse paths between the two stable states.
It is within our power to slow or reverse this destructive trend, which threatens our very existence.
Indeed, the presence of infectious viral DNA in extracellular virions does not exclude the existence of an early, post-entry, reverse transcription step.
— For 10,000 years the Nisqually Indians have relied on chinook salmon for their very existence, but soon those roles are expected to reverse.
Two methods – cross- species comparison and reverse engineering – can be used to test adaptive hypotheses about the existence and function of particular cognitive modules.
The authors of the book Deep Space and Sacred Time: Star Trek in the American Mythos thought that the episode "Deadlock" which featured the death of Kim was one of several examples in the Star Trek franchise where the death of an major character is reversed by a parallel existence.
Mysteriously, the National CJD Surveillance Unit, charged with tracking the human form of BSE, at first denied the cluster's existence, but then reversed its position after local newspapers uncovered the existence of the fourth and fifth victims.
