The best known example of a coenzyme in plant tissues is in connection with the activity of the zymase of yeast cells.
"The Chemistry of Plant Life" by Roscoe Wilfred Thatcher
C. Adenine is an essential component of nucleic acids and of several important coenzymes.
"Significant Achievements in Space Bioscience 1958-1964" by National Aeronautics and Space Administration
The rocky roots of the acetyl coenzyme-A pathway. Trends Biochem.
Field-control, phase-transitions, and life's emergence
Reaction starts when an acetyl group along with its coenzyme A is handed over to acyl carrier protein (ACP) by the action of acetyl/malonyl transacylase (MT/AT), from their it’s transferred to β -ketoacyl synthase (KS) and reacts with a malonyl group already attached with ACP.
Template-directed biopolymerization: tape-copying Turing machines