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- required, but in small amounts
- are not broken down by the body or used for energy
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1 nutrients 2 micronutrients
3 lipids 4 water (macronutrient)
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Terms in this set (48)
nutrients substances in food that provide structural materials
or energy
macronutrients - needed in large amounts
- are broken down in the body
, micronutrients - required, but in small amounts
- are not broken down by the body or used for
energy
breaking chemical bonds releases energy
building chemical bonds requires energy
water (macronutrient) important for
- dispersing and dissolving nutrients
- maintaining body temperatures
*provides a medium for macromolecules
bottle vs tap water 40% of bottled water is municipal water
carbohydrates: functions - the main source of energy for cells
- used to build some structures in cells
carbohydrates: simple sugars - made of one or two monomers
- digested and enter bloodstream quickly
- found in milk, juice, fruit, and refined foods
- sucrose, fructose, and maltose
complex carbohydrates - made of many repeating units
- digested slowly
- give more energy over a longer period of time
- provide fiber
- found in fruits, vegetables, breads, and pastas
*healthier
fiber - can't be digested by humans
- adds bulk to help move food through intestines
lipids: functions - energy storage
- cushioning
- insulation
- hormones
- cell membranes