B3 Biological Molecules Flashcards
What are biological molecules?
The building blocks to make cells and other key structures required to make living organisms
What are carbohydrate used for?
Respiration to release energy
Animals store their carbohydrates as…
Glycogen
Some examples of carbohydrates in food are…
Potato, rice, pasta
The large carbohydrate molecules are (insoluble/soluble)
Insoluble
Starch molecules are broken down into….
simple sugars
Lipids are found in…
Fats and oils
Fat is used to make…
cell membranes, insulation, protection of organs, energy store
Example of food high in animal fats
meat, butter, cheese, milk, eggs, oily fish
Lipids are made up of two types of molecules …………… and ………… ……….
Glycerol, fatty acids
Too much fat can lead to
heart disease, saturated fats and cholesterol
Proteins are needed for
growth and repair of tissues
Animal foods that are high in protein
meat, fish, cheese, eggs
Protein molecules are made up of …..
amino acids
To test for starch, ……… is used. If the solution goes …………. ………… it has starch.
Iodine, blue/black
