Question | Answer |
What are the 2 bodily purposes of food? | provided energy & rebuilding of the body |
What are the 6 essential nutrients? | protein, carbs, fat, mineral, vitamin, water |
What are the 3 functions of nutrients? And name an example of each. | energy (cabs, fats); structure (water); regulatory (protein) |
Define RDA. | Recommended Daily Allowances: daily amount of nutrients considered adequate to meet the needs of nearly all healthy people (?) |
What is digestion? | process by which food is broken down into a form that can be absorbed in the intestine; breakdown of food to be ready for bodily absorption |
What are the 2 different forms of digestion and where do they occur? | mechanical (physical): occurs in the mouth, esophagus, & stomach
chemical (enzyme breakdown (released from pancreas)): occurs in stomach and small intestine |
What is homeostasis? Give an example. | maintenance of relatively constant internal conditions controlled by many systems in the body: body water- 2/3 intracellular & 1/3 extracellular |
What are the 3 functions of a protein? Give an example. | structure- bone & connective tissue
energy- chemical bonds release energy (no storage of protein)
if not used, then converted and stored as fat
regulatory- hormones (insulin), enzymes (catalyst), Immune system & fluid balance |
What is an amino acid? | basic units of a protein (Carbon, Amino Group, Acid Group, R Group)
1-9: essential AA who's r group can't be manufactured and must be taken from food source
10-20: NEAA |
Protein... | source of nitrogen
structure differs based on aa sequence; sequence determines function |