**Question Explanation**

### **Core Concept**
Eggs are a nutrient-rich food source, commonly consumed for their high protein content and various essential vitamins and minerals. The nutritional value of eggs can be quantified in terms of their protein, fat, and calorie content.

### **Why the Correct Answer is Right**
Eggs are a significant source of protein, with a large egg weighing approximately 50-60 grams. The protein content in eggs is primarily composed of albumin and globulins, which are essential for various bodily functions, including enzyme production, immune function, and tissue repair. The protein content in eggs can be calculated based on their weight, with a 60-gram egg typically containing around 6-7 grams of protein.

### **Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect as it does not accurately represent the protein content in a 60-gram egg.
**Option B:** This option is also incorrect as it does not provide a realistic estimate of the protein content in eggs.
**Option C:** This option is incorrect as it does not accurately represent the protein content in a 60-gram egg.

### **Clinical Pearl / High-Yield Fact**
When calculating the protein content in eggs or other foods, it's essential to consider the weight of the food item and the protein content per gram. This can be done using a food composition table or a reliable nutrition source.

### **Correct Answer: D. 6-7 grams of protein.**