7.1 THREE KEY ENERGY NUTRIENTS

What are the three key energy nutrients obtained from food?

• Carbohydrates, Protein, and Fats

• Vitamins, Minerals, and Fiber

• Water, Fiber, and Sugars

• Protein, Fats, and Fiber

How many kilocalories per gram does protein yield?

• 9.3

• 3.5

• 4.1

• 4.3

Which nutrient is the most important source of energy for our bodies?

• Carbohydrates

• Fats

• Protein

• Vitamins

What are examples of carbohydrates?

• Sugars and Fats

• Protein and Starches

• Sugars and Starches

• Protein and Fats

What is the main function of carbohydrates within our bodies?

• To build bones

• To provide energy for cells

• To regulate body temperature

• To produce hormones

Where do carbohydrates come from in our diet?

• Sugary snacks and desserts

• Meat and Dairy products

• Fast food and processed foods

• Vegetables, Fruits, and Grain-based foods

What is the usual form in which carbohydrates are assimilated by humans?

• Glucose

• Sucrose

• Galactose

• Fructose

Where is glucose stored within the body?

• In the bloodstream

• In the digestive system

• In the brain

• In the liver and skeletal muscle

What process do green plants use to form carbohydrates?

• Respiration

• Fermentation

• Oxidation

• Photosynthesis

What is the by-product of the process of photosynthesis?

• Water vapor

• Oxygen

• Carbon dioxide

• Nitrogen