Food 1 Flashcards
What elements do carbohydrates contain
Carbon hydrogen oxygen
What is the general formals for carbohydrates
Cx(h20)y
There are twice as many hydrogen molecules as
Oxygen molecules
Name the three types of carbohydrates
Monosaccharides disaccharides
Polysaccharides
Food is needed for
Growth of new cells and repair of organs, tissues, cells ect
Energy
Name the six chemical elements food is made up of
Carbon Hydrogen Oxygen Nitrogen Phosphorus Sulpher
Name 3 trace elements in food
Iron
Copper
Zinc
What is the symbol for iron
Fe
Symbol for copper
Cu
Symbol for zinc
Zn
Food supplies the materials and every for the process of
Matabolism
Continuity
Monosaccharides
Singular sugar molecules
Simple sugars
Smallest carbohydrate unit
Example of monosaccharides
Glucose and fructose
Where are monosaccharides found
Fruit
Disaccharides
Two monosaccharide sugar units joined together
Ex of disaccharides
Sucrose lactose maltose
Where are disaccharides found
Table sugar and milk
Polysaccharide
Many monosaccharides sugar molecules joined together
Ex of polysaccharides
Starch and cellulose
Where are polysaccharides found
Breads and cereals
Lipids
A diverse group of substances
What do lipids include
Fats and oils
Lipids are made up of
Carbon hydrogen oxygen
Lipids do not have the same ratio as…
Carbohydrates
What two molecules are lipids makes up of
Fatty acids
Gylcerol
Two main types of lipids
Triglycerides
Phospholipids
Where can u find lipids
Fat on meat
Butter
Cooking oils
What elements do protein contain
Carbon
Hydrogen
Oxygen
Nitrogen
Where are proteins found
Lean meat
Fish
Soya
Eggs
Proteins are made up of what
Long chains of amino acids
What are amino acids joined together by
Peptide bonds
What do peptide bonds result in the formation of
Polypeptide chains
Vitamins
Essential organic catalyst of metabolism
What cannot be produced in the body
Vitamins
Name a source of vitamin A
Green leafy veg
Eggs
Cheese
Carrots
Name a source of vitamin B
Lean meat
Cereals
Nuts
Name a source of vitamin C
Citrus fruits
Green veg
Turnips
Name a source of vitamin D
Milk
Milk products
Sunlight
Name a source of vitamin E
Vegetable oil
Fish
Nuts
Name a source of vitamin K
Green leafy veg
Function of colon
Digest cellulose
Where does bile enter the duodenum
Through the bile duct
Bile consists of 3 things
Water
Bile salts
Bile pigments
Function of liver
Emulsifies fats
