Table of contents

33. The Organic Chemistry of Metabolic Pathways

Catabolism of Carbohydrates: Glycolysis

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Multiple Choice

How many calories per gram does a carbohydrate contain?

4 calories per gram

7 calories per gram

9 calories per gram

2 calories per gram

Verified step by step guidance

Understand that the question is asking about the caloric content of carbohydrates, which is a fundamental concept in biochemistry and nutrition.

Recall that carbohydrates, proteins, and fats are the three main macronutrients, each providing energy in the form of calories.

Remember that carbohydrates and proteins both provide 4 calories per gram, while fats provide 9 calories per gram.

Identify the correct caloric value for carbohydrates from the given options, which is 4 calories per gram.

Use this information to answer similar questions about the caloric content of macronutrients in the future.

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