bab 3 nutriontsion other thisngspf Flashcards
What is the use of carbohydrates
Supplies a lot of energy
Carbohydrate is what compound
Oraganic compound - Carbon, Hydroxide, Oxygen
What are examples of carbohydrates
Starch - Food stored in plants
Glycogen - Food stored in animals
Cellulose - Forms the cell walls of plants
Protein is what compound
Carbon
Hydrogen
Oxygen
Nitrogen
What is use of protein
Growth
Repair damaged tissues
Replace dead cells
Synthesise enzymes, hormones, antibodies
What is kwashirokor
Protein deficiency
What is compound of fat
Carbon
Hydrogen
Oxygen
What is function if fat
High energy source & storage
Supplies twice total energy
Protects organ
Transporter for ADEK
Excess stored under skin as heat insulator- regulate body temperature
What is charactetistic of vitamin & mineral
Does not supply energy, needed by body in small quantities to maintain good health
What substance / compound is fibre
Cannot bring broken down by digestive system
Comprises of cellulose
What is use of fibre
Stimulate peristalsis (movement caused by constriction & relaxation of muscles along digestive track)
Prevents constipation
What is compound of water
Hydrogen and oxygen
What is function of water in digestive system
Chemical solvent & transportation medium of nutrient & oxygen into cells
Transports waste materials (urea&salt) out of cells
Regulates body temperature
What is test for starch
Iodine
Brown -> dark blue
What is test for glucose
Benedicts test
Blue -> green/yellow -> orange red -> brick-red precipitate
