3.5-4.3 Flashcards
What is nutrition?
the process of obtaining key molecules and and elements that the body needsto work
Why is nutrition important?
it is what makes the body do what it needs to do
What is a calorie?
an energy unit that is the amount of energy needed to raise 1g of H2O - chemical or stored energy
What are carbohydrates?
macromolecules that help with energy, structure, and communication
What are the monomers of carbohydrates?
monosaccharides
What happens to ingested carbohydrates?
it breaks down into singular sugars and then gets used in cellular respiration
What is the most concentrated energy source available to the body?
fats (lipids)
How are fats classified?
saturated or unsaturated
What is saturated fat? Hint: (butter)
solid at room tempature
What is unsaturated fat? Hint: (oil)
liquid at room tempature
What are proteins?
machines of the body
How are proteins used in the body? Hint: Pepsin
the specific functions they are designed to do
Pepsin - to break down our food
How many different types of amino acids are found in proteins?
11
How many amino acids are essential for human diet?
9
What are vitamins?
organic molecules