1.13. Types of Nutrients http://www.ck12.org
restaurants and fast food chains. Beginning in 2010, California banned trans fats from restaurant products, and in
2011, from all retail baked goods.
Vocabulary
- amino acid: Small molecule used to build proteins.
- carbohydrate: Organic compound such as sugar and starch that provides an energy source for animals.
- cellular respiration: Process of breaking down glucose to obtain energy in the form of ATP.
- fiber: Carbohydrate that is partially indigestible.
- lipid: Organic compound that is insoluble in water and includes fats, oils, and waxes.
- protein: Organic compound composed of amino acids and includes enzymes, antibodies, and muscle fibers.
- saturated fat: Fat derived from animal foods that increases cholesterol levels.
- starch: Large, complex carbohydrate that can be broken down to supply the body with energy.
- trans fat: Manufactured fat used in processed and fried foods that increases the risk of heart disease.
- unsaturated fat: Fat derived from plant foods that is part of a healthy diet.
Summary
- Carbohydrates, proteins, and lipids provide energy and have other important roles in the body.
- Unsaturated fats are better for your health than trans fats or saturated fats.
Practice
Use the resource below to answer the questions that follow.
- Nutrients Your Body Needsat http://www.pbs.org/wgbh/nova/body/nutrients-body-needs.html
- What does your body use iodine for? What are good sources of iodine? What are some of the problems of
iodine deficiency? - What does your body use magnesium for? What are good sources of magnesium? What problems come from
magnesium deficiency? - What does your body use riboflavin for? What are good sources of riboflavin? What can happen if your diet
is deficient in riboflavin?
Review
- Which nutrients can be used for energy?
- Why is it important that you get enough proteins in foods?