Star Trek: The Undiscovered Country, released in theatres in 1991, marked the last of the Star Trek movies based solely on the original cast. In the plot of the movie, a historic Klingon peace initiative is nearly thwarted when Klingon chancellor Gorkon is assassinated, and Kirk and McCoy are accused of his murder.
... pathways, cyclic or non-cyclic.
Cyclic photophosphorylation
In cyclic electron flow, the electron originates in a pigment complex called photosystem I, passes ...