Food and Nutrition Flashcards
Monosaccharide
Single sugar unit
E.g. Glucose, Fructose
General formula of carbohydrates
Cx(H2O)y
Disaccharide
2 units (2 monosaccharides joined) E.g. Sucrose, Maltose, Lactose
Polysaccharide
Many units (many monosaccharides linked together) E.g. Starch, Cellulose, Glycogen
Test for Reducing sugar
Benedict’s solution
Blue to Brick Red
Test for Starch
Iodine
Orange/yellow to Blue/Black
Protein with a structural role
Keratin (Hair, Nails, Skin)
Test for Protein
Biuret Reagent
Blue to Purple
Metabolic fiction of fat in humans
Releases energy in respiration
Structural role of fat in humans
Insulation
Protects organs
Stores energy
Water soluble vitamin
C
Citrus fruit
Deficiency of vitamin C
Scurvy
Deficiency of vitamin D
Rickets
Trace elements
Copper
Iron
Zinc
Element required for formation of bones and teeth
Calcium
Element required for formation of red blood cells
Iron
Organism that makes it’s own food
Autotroph
Term given to describe an organism
A living thing that can react to stimuli, reproduce, grow, and maintain homeostasis
E.g. Virus, Bacteria, Amoeba, Fungi, Plants, Animals
Term used to describe all chemical reactions that take place in a living organism
Metabolism
An anabolic reaction that takes place in plants
Photosynthesis
A catabolic reaction that takes place in both plants and animals
Respiration
Fat soluble vitamin
D
Milk, Made in skin (UV rays)