Chapter 17 Flashcards
Nutrition
nutrition
process by which living organism assimilates food and uses it for growth and repair of tissues
kilocalorie
amount of heat energy to raise temperate of kg or L of water by 1 degree Celsius (equal to 1000 calories)
protein
amino acids linked by peptide bonds
carbohydrates
neutral compounds of carbon hydrogen and oxygen (sugars, starches, celluloses)
lipid
group of compounds including triglycerides (fats and oils), phospholipids, and sterols
RMR- resting metabolic rate
amount of energy expended at rest
TEF- thermic effect of food
the amount of energy expended above RMR as a result of digestion
essential amino acids
cannot be manufactured by body (there are 8)
nonessential amniio acids
manufactured by the body from diet
complete protein
food that has all essential amino acids
incomplete protein
food that is lacking one or more of the essential amino acids
monosaccharide
single sugar unit (glucose, fructose, galactose)
disacccharide
two sugar unit (sucrose, lactose, maltose)
polysaccharide
chains linked together that contain starch and giver
saturated
risk factor for heart disease because raises LDL, bad cholesterol