There does not seem to be a specific popular movement to abolish the genuflection although there have been organic changes that have seen it fall into disuse among certain rites. Some Catholic orthodox rites, for instance, make instead a metasis, which is a profound bow accompanied by the sign of the cross. Certain orders of monks use both the genuflection as well as a profound bow as a sign of reverence.
Chromatography
Plantar Flexion
A very special kind of Pop Art.
facilitated diffusion
it has no political aspiration
Opposition.
Oppositional, a movement that separates humans and other hominids apart from all other animals.
Progressivism
His murder & trial started the Civil Rights Movement
What is meant by the term "formal" in this question? In American English, the word reason is both a noun (the cause or basis of something) and a verb (to think in a logical manner). Neither of them has any special sense of formality, if that's what is being asked.
facilitated diffusion
Both allow for the movement of materials between cells.