Which of the following do not produce energy but are still essential for the human body ?

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Q: 23 (IES/2013)
Which of the following do not produce energy but are still essential for the human body ?

question_subject: 

Science

question_exam: 

IES

stats: 

0,55,68,8,13,47,55

keywords: 

{'energy': [0, 0, 1, 2], 'carbohydrates': [5, 0, 1, 3], 'vitamins': [3, 0, 5, 9], 'proteins': [1, 1, 0, 0], 'human body': [40, 2, 44, 29], 'fats': [0, 0, 0, 1]}

The correct answer is option 4, Vitamins. While options 1, 2, and 3 - Carbohydrates, Fats, and Proteins - are all macronutrients that provide energy to the human body, vitamins do not directly produce energy.

Carbohydrates are the body`s main source of energy. They are broken down into glucose, which can be used by cells to produce ATP, the chemical form of energy that cells use for their functions.

Fats also provide energy when broken down. They are a concentrated energy source and are essential for storing energy, insulating and protecting organs, and supporting cell function.

Proteins, in addition to their role in building and repairing body tissues, can be used as a source of energy when carbohydrates and fats are not sufficient.

Vitamins, on the other hand, are essential for various bodily functions, such as metabolism, immune system function, and overall health. While they do not create energy themselves, they are necessary for energy production and utilization processes. Vitamins act as coenzymes, which means they help enzymes carry out metabolic reactions that produce energy from carbohydrates, fats, and proteins.

Therefore, although vitamins do not directly produce energy, they play a critical role in energy metabolism and overall