Multiple Choice
In the context of proteins, what is the monomeric unit from which proteins are built?
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1. Introduction to Biochemistry
Proteins
Multiple Choice
In human nutrition, how many kilocalories (kcal) are provided by consuming of protein?
A
kcal
B
kcal
C
kcal
D
kcal
Verified step by step guidance1
Understand that macronutrients provide energy measured in kilocalories (kcal), and each macronutrient has a specific kcal value per gram.
Recall the standard energy values for macronutrients: carbohydrates and proteins provide approximately 4 kcal per gram, fats provide about 9 kcal per gram, and alcohol provides about 7 kcal per gram.
Identify that the question asks specifically about protein, so focus on the kcal value associated with protein consumption.
Use the known conversion factor for protein: 1 gram of protein provides 4 kcal of energy.
Conclude that consuming 1 gram of protein provides 4 kilocalories of energy based on the standard nutritional energy values.
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