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Questions and Answers

What is the main reason why whole grains are considered healthy?

  • They have more nutrients and fiber (correct)
  • They are high in protein
  • They are low in carbohydrates
  • They have less fiber and nutrients

    • What is unique about the bran around a popcorn kernel?

  • It's soft and fragile
  • It's high in protein
  • It's edible
  • It's hard and strong (correct)

    • What happens to the endosperm when a popcorn kernel is heated?

  • It stays the same
  • It becomes crispy
  • It disappears
  • It turns into jelly (correct)

    • What is the main function of proteins in the body?

    <p>To build and repair tissues (A)</p> Signup and view all the answers

    What is the primary source of amino acids in the body?

    <p>Food (D)</p> Signup and view all the answers

    Why are lean meats considered healthier than fatty meats?

    <p>They have fewer bad fats (B)</p> Signup and view all the answers

    Which of the following is an example of a 'good' fat?

    <p>Avocado (B)</p> Signup and view all the answers

    What is the main difference between whole grains and other grains?

    <p>Whole grains have more fiber and nutrients (D)</p> Signup and view all the answers

    What do vegetables provide for energy?

    <p>Carbohydrates (C)</p> Signup and view all the answers

    What is the part of the plant that your body can't easily break down?

    <p>Fiber (D)</p> Signup and view all the answers

    What are the small, hard, dry fruits of tall grasses?

    <p>Grains (C)</p> Signup and view all the answers

    What is the largest part of a grain kernel?

    <p>Endosperm (B)</p> Signup and view all the answers

    What is the difference between brown bread and white bread?

    <p>Brown bread is made from whole grains, while white bread is made from refined grains (B)</p> Signup and view all the answers

    What is the part of the grain that gives the young plant its food?

    <p>Germ (D)</p> Signup and view all the answers

    What is the benefit of eating enough fiber?

    <p>It helps you poop normally (B)</p> Signup and view all the answers

    Study Notes

    Importance of Vegetables

    • Vegetables are packed with vitamins, minerals, and carbohydrates, providing energy without excess calories.
    • Leafy, dark-green "super vegetables" like kale and spinach are rich in vitamins A and C, and calcium.
    • These nutrients help maintain healthy eyes, strong bones, and quick healing.

    Fiber in Vegetables

    • Fiber is the part of the plant that the body can't easily break down, like the strings of celery.
    • Eating enough fiber helps with regular bowel movements and comfortable digestion.

    Grains

    • Grains are small, hard, dry fruits of tall grasses, such as corn, wheat, rice, millet, and barley.
    • A grain kernel is made up of three parts: bran, germ, and endosperm.
    • Whole grains provide fiber, vitamins, and minerals, while refined grains lack these nutrients.

    Types of Bread

    • Brown breads are made from whole grains, providing more nutrients and fiber due to the inclusion of bran and germ.
    • White breads are made from refined grains, lacking nutrients and fiber due to the removal of bran and germ.

    Popcorn

    • Popcorn is a special type of corn that pops due to the hard bran and endosperm, which traps steam and builds pressure until the kernel bursts.

    Protein Foods

    • Protein foods include meat, poultry, seafood, eggs, beans, tofu, and nuts, which are essential for building and repairing body tissues.
    • Proteins are built from amino acids, with the body needing all types of amino acids to function properly.
    • Meat, fish, poultry, and eggs contain the full set of amino acids, while plant-based foods can provide the full set through a balanced diet.

    Lean Meats vs. Fatty Meats

    • Fat is a necessary nutrient, but some fats are healthier than others.
    • Lean meats like chicken and turkey, and good fats like those found in fish, nuts, avocados, tofu, and beans, are healthier than fatty meats like red meats.

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