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.
For the calorie-conscious, Krispy Kreme also offers mini glazed donuts, though the calorie count is only slightly less than the regular-sized donuts. The Krispy Kreme Mini Original GlazedÂ® Doughnut has 179 calories, while the Mini Chocolate Ice Glazed Doughnut has 229. The dictionary-approved spelling is doughnut, though the shortened version, donut, also is an acceptable spelling.