20%–30% of calories in a cup of milk come from proteins (Option B).
- Each gram of carbohydrates and proteins yield about 4 calories.
- Conversely, each gram of fat (i.e., lipids) yields about 9 calories.
- A cup of milk (250 mL) contains approximately whole milk 6.8 grams of proteins, 5 grams of fat (lipids), and 7.8 grams of carbohydrates (lactose).
- Milk contains approximately 3.3% of total protein.
In conclusion, 20%–30% of calories in a cup of milk come from proteins (Option B).
Learn more in:
https://brainly.com/question/7279943
