Question

Which is the highest calorie density, the most calories per gram?

1) alcohol
2) carbohydrates
3) fat
4) protein

Answer 1

Fat has the highest calorie density with 9 calories per gram, which is more than the 4 calories per gram provided by both carbohydrates and protein.

Step-by-step explanation:

Among the options provided, fat has the highest calorie density, with 9 calories per gram. This is compared to both alcohol carbohydrates and protein, which provide 4 calories per gram each. Fatty foods are considered calorie-dense, which means they have more calories per unit of weight than other types of nutrients. Since animals tend to seek out lipid-rich food for their higher energy content, consuming foods high in fat can lead to a higher calorie intake, often resulting in the excess energy being stored as fat deposits in the body.