How many calories are provided per $g$ of fat?

• A. $9$ calories
• B. $7$ calories
• C. $12$ calories
• D. $4$ calories

Answer: (A)

Verified step by step guidance

1. Understand that the problem is asking about the caloric content of fat, which is a fundamental concept in biochemistry and nutrition.
2. Recall that fats are a type of macronutrient, and each macronutrient provides a specific amount of energy per gram.
3. Know that the energy content of macronutrients is typically measured in calories, which is a unit of energy.
4. Remember that fats are known to provide a higher energy content compared to carbohydrates and proteins.
5. Identify that the standard caloric value for fats is 9 calories per gram, which is a widely accepted value in nutritional science.