Biology food Flashcards
What are carbs for
Providing our body’s with energy
What are some carbohydrates
Bread pasta cereal
List some lipids
Milk cheese butter
What are lipids used for
Very long term energy, heat insulation
List some proteins
Meat nuts eggs
What are proteins for
Growth and repair
What are simple food molecules
Don’t require to be broken down for absorption
What are complex food molecules
Must be broken down to be absorbed
How to test for fat
Put food in test tube with ethanol shake the mixture. Then filter add some water if it goes cloudy there is fat.
How to test for protein
Put food in test tube with water add water add biuret solution then shake. If it turns purple there is protein.
How to test for starch
Put food on a tile add iodine if it goes black there is starch
How to test for glucose
Put food in a test tube add water then add benedicts solution heat in a water bath if the solution goes orange there is glucose
What are enzymes
They are catalysts for specific reactions
How do enzymes work
Lock and key
What is the optimum temperature for enzymes
37 decrease
