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Questions and Answers
Which of the following are included in the 6 major classes of nutrients? (Select all that apply)
Which of the following are included in the 6 major classes of nutrients? (Select all that apply)
- Carbohydrates (correct)
- Sugars
- Vitamins (correct)
- Fats (correct)
- Water (correct)
What is the chemical formula for water?
What is the chemical formula for water?
H2O
Which of the following is a non-energy yielding micronutrient?
Which of the following is a non-energy yielding micronutrient?
- Proteins
- Minerals (correct)
- Lipids
- Carbohydrates
How many known essential minerals are there?
How many known essential minerals are there?
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What is a key role of vitamins in the body?
What is a key role of vitamins in the body?
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What are carbohydrates primarily made up of?
What are carbohydrates primarily made up of?
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Which of these nutrients is described as the building blocks for growth and repair?
Which of these nutrients is described as the building blocks for growth and repair?
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What major component of cell membranes is a type of macronutrient?
What major component of cell membranes is a type of macronutrient?
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Study Notes
Major Classes of Nutrients
- Six primary classes: carbohydrates, lipids (fats), proteins, minerals, vitamins, and water.
Water (H2O)
- Non-energy yielding; contains no calories.
- Essential for metabolic reactions and overall bodily functions.
- Regulates body temperature effectively.
- Comprises approximately 60% of adult body mass.
Minerals
- Non-energy yielding micronutrients; do not provide calories.
- Made up of indestructible chemical elements.
- Includes 16 known essential minerals, such as copper, iron, cobalt, and chromium.
Vitamins
- Non-energy yielding micronutrients that assist in metabolic processes.
- Crucial for the release of energy from carbohydrates, fats, and proteins.
- Includes various types such as vitamins A, B, C, D, and E.
Carbohydrates (CHO)
- Energy-yielding macronutrients, providing calories for energy.
- Composed primarily of carbon, hydrogen, and oxygen.
- Constitutes the majority of most diets, essential for energy supply.
Proteins
- Organic, energy-yielding macronutrients vital for growth and repair of tissues.
- Made of carbon, hydrogen, oxygen, and nitrogen.
- Serve as building blocks for various structures in the body.
Lipids (Fats)
- Energy-yielding macronutrients that provide essential energy.
- Function as protective agents, providing insulation and cushioning for organs.
- Important for nutrient storage and are a key component of cell membranes and the immune system.
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