To examine the effect of nucleosomes on in vitro transcription, purified chicken erythrocyte core histones and plasmid DNA bearing the Xenopus 5S RNA gene were assembled into nucleosomes and used as templates for transcription in a Xenopus oocyte nuclear extract.
(it could squeeze 100kms out of a liter of fuel) Soon Ducati started bulding a frame to the engine and thus the first official Ducati motorcycle was born. It was a 60cc bike with a top speed of 40 mph and was officially named 50M. The year 1952 marked a cornerstone in Ducati history. It was the year it introduced its 65TS model at the Milan Show, together with the first 4 stroke scooter, the Cruiser.
Ducati has produced the following motorcycle engine types: 1  Single-cylinder, pullrod actuated, 48 cc and 65 cc (Cucciolo) pushrod actuated, 98 and 125 cc. two-stroke, 50, 80, 90, 100, 125 cc. bevel actuated, spring valved: 98 cc, 100 cc, 125 cc, 160 cc, 175 cc, 200 cc, 239 cc, 250 cc, 350 cc, 450 cc.