Sentence examples for first have evolved from inspiring English sources

As both components that combined to make the flagellum are separately present only in Negibacteria, flagella must first have evolved in negibacteria.

Thus neither of the ancestors of the flagellar motor proteins (TonB complex, OmpA) was present in Unibacteria, so the proton-driven stator of eubacterial flagella must first have evolved in a negibacterium.

Their list of new things to look for first has evolved since the LHC's first run.

What was once a motto of Safety First has evolved into a fretful new motto of Safety Only.

The reduced state of the cytoplasm indicates that the first cells have evolved – and the principal biochemical pathways have been established – before the atmosphere became oxygenated (which was due to the activity of cyanobacteria at 2 – 2.5 Ga [ 127]).

Third, TEs have evolved as thousands of different families, each with its own history.

Second, plants have evolved a number of CWDE inhibitors as a pathogen defense mechanism [ 83].

Second and third generation prostheses have evolved into the modern anatomical stemmed prosthesis.

Thus, based on a simple engineering paradigm, it is proposed that dsRNA as the informational molecule was the first molecule to have evolved, and that catalytic ssRNA as the first ribozymes would be derived later in evolution.

Angelou's original goal — to tell the truth about the lives of black women — seems, after her first volume, to have evolved into something else: to document the ups and downs of her own life.

The first angiosperms must have evolved from one of the gymnosperm species that dominated the world at the time.