8.1 Essential Nutrients and Saccharides

What is the term used to describe the 200,000 chemical reactions that take place in the cells of your body?

• Catabolism

• Anabolism

• Metabolism

• Catalysis

What does catabolism refer to in the context of metabolism?

• The process of building complex chemicals from smaller ones

• The process of breaking down large chemicals into smaller ones

• The process of exchanging chemicals between cells

• The process of producing energy without chemical reactions

What does anabolism refer to in the context of metabolism?

• The process of breaking down large chemicals into smaller ones

• The process of producing energy without chemical reactions

• The process of building complex chemicals from smaller ones

• The process of exchanging chemicals between cells

Why is food necessary for living things?

• To provide a constant supply of energy and molecules

• To facilitate the exchange of chemicals between cells

• To produce energy without chemical reactions

• To break down complex chemicals into energy

What are Necessary Nutrients?

• Nutrients that must be supplied from the outside of the body

• Nutrients that are not needed by the body

• Nutrients that are needed and can be made by the body

• Nutrients that are only found in supplements

What are Essential Nutrients?

• Nutrients that are not essential for the body's functions

• Nutrients that can be made by the body in sufficient quantities

• Nutrients that are needed and must be supplied from the outside of the body

• Nutrients that are only available in processed foods

What are macronutrients?

• Vitamins and minerals

• Carbohydrates, fats, and proteins

• Water

• None of the above

Which special nutrient is involved in most chemical reactions in the body?

• Proteins

• Carbohydrates

• Water

• Fats

What element do all macronutrients contain?

• Oxygen

• Hydrogen

• Carbon

• Nitrogen

What are polymers made from?

• Single units called monomers

• Double units called dimers

• Triple units called trimers

• Independent units not joined together