Final answer:
The portion size of one scrambled egg is typically one large egg. One large egg weighs about 50 grams and contains around 70-80 calories.
Step-by-step explanation:
The portion size of one scrambled egg is typically one large egg. It is important to note that eggs can vary in size, but a large egg is the most common used in recipes. One large egg is about 50 grams in weight, and it contains around 70-80 calories, depending on how it is prepared.