A hacek or háček (pronounced "'hatchek") is a diacritic (also known as a "caron") placed over certain letters to indicate palatalization[?] in the orthography of some Slavonic languages, such as Czech, and the Baltic languages and Estonian. It looks like an inverted circumflex and its name means "little hook" in Czech.
... to plastoquinone, then to plastocyanin, producing proton-motive force as with cyclic electron flow and driving ATP synthase.
Since the photosystem II complex ...