Term
| What is the definition of an essential nutrient? |
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Definition
| substances the body cannot make for itself in sufficient quantity to meeting physiological needs. |
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Term
| Roughly how many essential nutrients have scientists discovered in humans? |
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Definition
| Six Classes of Nutrients: |
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Term
| List the six classes of nutrients? |
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Definition
1- Carbohydrates (CH20) ~ 7,000 atoms in size
2- Lipids (fats) ~ 4,000 atoms in size
3- Proteins ~ 4,000 – 7,000 atoms in size. C, H, and O but always contain N. Ex. Enzymes
4-Vitamins ~ 2,000 atoms; C, H, O, & sometimes N
5-Water contains 3 atoms: two H, & one O.No energy
6-Minerals contain 1 atom. ex. Calcium (Ca), & Iron (Fe)
No energy Assist vitamins and enzymes in metabolism. |
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Term
| Which four classes of nutrients are organic? |
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Definition
1- Carbohydrates (CH20) ~ 7,000 atoms in size
2- Lipids (fats) ~ 4,000 atoms in size
3- Proteins ~ 4,000 – 7,000 atoms in size. C, H, and O but always contain N. Ex. Enzymes
4-Vitamins ~ 2,000 atoms; C, H, O, & sometimes N |
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Term
| Define organic nutrients? |
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Definition
| Is a chemical molecule with (C-C or C-H bonds). Sometime this molecule has N, |
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Term
| What are the three energy classes of nutrients? |
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Definition
1-Carbohydrates
2-Lipids
3-Proteins |
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Term
| How many Kcal is 1 gram of fat worth? |
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Definition
| 9 Kcal/gram of fat energy or all sources! 20-35% of total Kcal/day |
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Term
| How many Kcal is 1 gram of sugar worth? |
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Definition
| 4 kcal/gram of sugar energy all sources |
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Term
| How many Kcal is 1 gram of protein worth? |
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Definition
| 4 kcal/gram of Protein. energy all sources |
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Term
| What is the definition of an essential nutrient? |
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Definition
| substances the body cannot make for itself in sufficient quantity to meeting physiological needs. |
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