7.1 Nutrition for Life

The six classes of nutrients include

• carbohydrates and fats.

• proteins and water.

• vitamins and minerals.

• All of the above

The number of Calories in a food item depends on

• the number of minerals it contains.

• the amount of carbohydrate, fat, and protein it contains.

• the rate at which the food is metabolized

• the chemical processes in your body.

Starches are

• a kind of complex carbohydrate.

• a kind of simple carbohydrate.

• composed of a single sugar.

• complex carbohydrates that cannot be digested.

Which statement best describes fats?

• They are unhealthy and contribute to obesity.

• They help you feel full for several hours after eating.

• They dissolve in water.

• They are all solid at room temperature.

Nonessential amino acids

• are not needed for making proteins.

• cannot be made by the body.

• can be made by the body.

• must be supplied by the diet.