Protein phosphorylation is a reversible post-translational modification of proteins. In eukaryotes, protein phosphorylation functions in cell signaling, gene expression, and differentiation. It is also involved in DNA replication during the cell cycle, and the mechanisms that cope with stress-induced replication blocks.
Cake Doughnut. A single glazed chocolate cake doughnut that is around 3 3/4 inches in diameter can have close to 250 calories. Depending on the recipe, some varieties -- like chocolate-frosted chocolate cake doughnuts -- can have as many as 370 calories.
The 343 calories in one serving of Dunkin' Donuts Blueberry Cake Doughnut are equivalent to the calories burned while: Running (6 mph) for 29 minutes. Stationary rowing for 1 hour and 0 minute. Chopping wood for 45 minutes. Sleeping for 5 hours and 3 minutes.